Printek Printer 4300 User Manual

FormsPro 4300

FormsPro 4500

FormsPro 4503

Serial Matrix Printers

Printek, Inc.

1517 Townline Road

Benton Harbor, MI 49022

616-925-3200

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IBM and Proprinter are registered trademarks of International Business Machines

Corporation, DEC is a registered trademark of Digital Equipment Corporation, Epson

is a registered trademark of Seiko Epson, Printek and FormsPro are registered

trademarks of Printek, Inc.

iii

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Specifications subject to change without notice.

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Table of Contents

TABLE OF CONTENTS

Acknowledgments

iii

CHAPTER 1 - INTRODUCTION

How to Use This Manual

1- 1

1- 2

1- 3

Printer Model Descriptions and Key Features

Selecting Emulations

Changing Forms/Tractor Paths

CHAPTER 2 - ANSI X3.64 EMULATION

Introduction

2- 1

2- 3

2- 4

2- 5

2- 6

2- 7

2- 9

2-10

2-12

2-13

2-14

2-15

Control Codes and Escape Sequences Grouped by Function

Communications

Character Size and Line Spacing

Character Attributes

Horizontal Position

Vertical Position

Horizontal and Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Printer Controls

Emulations

Control Codes and Escape Sequences (Alphabetical)

CHAPTER 3 - EPSON FX EMULATION

Introduction

3- 1

3- 3

3- 5

3- 8

3-10

3-14

3-15

3-16

3-17

3-19

3-21

3-22

3-23

3-24

3-27

3-28

3-29

3-30

Control Codes and Escape Sequences

Communications

Character Size

Character Attributes

Character Sets

Line Pitch

Horizontal Position

Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Horizontal Margins

Vertical Margins

Graphics

Printer Controls

Forms and Tractors

Emulations

Control Codes and Escape Sequences (Alphabetical)

iii

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Table of Contents

CHAPTER 4 - IBM PROPRINTER EMULATION

Introduction

4- 1

4- 3

4- 4

4- 7

4- 8

4- 9

4-11

4-12

4-14

4-15

4-17

4-18

4-19

4-21

4-22

4-23

Control Codes and Escape Sequences

Communications

Character Size

Character Attributes

Character Sets

Line Pitch

Horizontal Position

Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Horizontal and Vertical Tabs

Horizontal Margins

Vertical Margins

Graphics

Printer Controls

Emulations

Control Codes and Escape Sequences (Alphabetical)

CHAPTER 5 - DEC LA120 EMULATION

Introduction

5- 1

5- 3

5- 4

5- 5

5- 6

5- 7

5- 8

5- 9

5-10

5-11

5-12

5-14

5-16

5-17

5-18

5-19

5-20

Control Codes and Escape Sequences

Communications

Character Size

Character Attributes

Character Sets

Line Pitch

Horizontal Position

Vertical Position

Horizontal and Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Horizontal Margins

Vertical Margins

Printer Controls

Emulations

Control Codes and Escape Sequences (Alphabetical)

CHAPTER 6 - SIMPLE TTY EMULATION

Introduction

6- 1

6- 2

6- 3

6- 4

6- 5

6- 6

Control Codes and Escape Sequences

Communications

Horizontal Position

Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Printer Controls

Emulations

Control Codes and Escape Sequences (Alphabetical)

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Table of Contents

7- 1

CHAPTER 7 - PRINTEK EMULATION

Introduction

7- 1

7- 3

7- 4

7- 5

7- 6

7- 7

7- 8

7- 9

7-10

7-11

7-12

7-13

7-14

7-17

7-19

7-20

7-21

Control Codes and Escape Sequences

Communications

Character Size

Character Attributes

Character Sets

Line Pitch

Horizontal Position

Vertical Position

Form Length and Form Feed

Horizontal Tabs

Vertical Tabs

Horizontal and Vertical Tabs

Horizontal Margins

Vertical Margins

Graphics

Printer Controls

Forms and Tractors

Emulations

Control Codes and Escape Sequences (Alphabetical)

CHAPTER 8 - HEX DUMP MODE

8- 1

APPENDIX A - OPTIONAL COAXIAL/TWINAXIAL INTERFACE

Introduction

A- 1

A- 2

Automatic Port Switching

Command Interpreter

APPENDIX B – Printing Basic BAR CODEs

Introduction

B- 1

B- 4

B- 5

B- 6

B- 9

B-10

B-11

B-12

B-13

Bar Code Sequences

Measurements in Bar Code Mode

Entering/Exiting Bar Code Mode

The Bar Code Control Character

Other Control Characters

Bar Code Definition

Bar Code Height

Relative Vertical Tab

Absolute Horizontal Tab

Bar Code Pass Terminator

Mixing Bar Codes and Text

Supported Bar Code Types

APPENDIX C - ASCII CHARACTER TABLES

ASCII Control Code Definitions

C- 1

C- 7

Decimal to Octal to Hexadecimal Conversion Table

APPENDIX D - PRINTER RESET CONDITIONS

GLOSSARY

D- 1

Glossary- 1

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CHAPTER 1 - INTRODUCTION

This manual describes the software interfaces supported by your FormsPro 4000

series printer. It is written for a programmer who will be developing software for the

printer, and contains information not normally needed by a printer operator/user.

Basic information on printer operation (setting the printer up, loading paper, replacing

ribbons, etc.) can be found in the "Operator's Manual" that accompanied your printer.

How to Use This Manual

Below is a brief description of the information contained in this manual.

Chapter 1

Introduction

Describes the contents of this manual. Also provides you with an introduction to the

capabilities and operation of the FormsPro 4300. FormsPro 4500, and FormsPro 4503

printers.

Chapters 2 through 7

Emulations

Describe the software interface when using ANSI X3.64, Epson FX, IBM Proprinter,

DEC LA120, Simple TTY, or Printek emulation mode.

Each of these chapters is designed as a stand-alone chapter, capable of providing all

the information necessary to write software for a particular emulation. You may want

to read the chapter for the emulation(s) you are using, and skip the others.

Chapter 8

Hex Dump Mode

Describes the output of hex dump mode, and how it may be used to debug software

problems.

Appendices

Following the above chapters are appendices containing ASCII character tables and

font samples, additional control panel features, how to use the basic bar coding

support, printer specifications, and detailed interface specifications for the optional

interfaces.

Glossary

For your convenience a glossary of printer related terms may be found in the rear of

the manual.

Page 1-1

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Introduction

Printer Model Descriptions and Key Features

The Printek FormsPro 4000 Series Printers are high speed, heavy duty serial dot

matrix printers designed especially for printing upon hard to print forms which are

often not printed adequately by other printers. Of course, the FormsPro 4000 series

printers will also print on lighter forms.

All printers provide straight paper paths for jam free paper motion and a zero waste

tear bar for demand document applications.

The operator may permanently record up to ten complete sets of form parameters

which may be later selected either at the printer's control panel or from the host

computer. The FormsPro 4503 provides three sets of tractors, any of which can be

included in the form parameters for a particular form. This allows the printer to

automatically unload one form and load another when selected, without requiring the

operator to touch the paper.

The printers come equipped with an industry standard parallel interface and an RS-

232C serial interface. The printers may optionally be ordered with an RS-422 serial

interface, or a coaxial/twinaxial interface which emulates an IBM 3287 printer or an

IBM 4214, 5225, or 5256 printer.

Other options include a 32K buffer which increases the standard 4K character input

buffer to 28K characters, and internal bar code support which also includes the

optional OCR-A and OCR-B fonts.

A specially designed print stand which holds multiple paper supplies is also available.

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Introduction

Selecting Emulations

The software interface of the printer varies, depending upon which emulation is

selected.

The default emulation, selected at power up, is specified by the "Mode:" value in the

"Setup: INTERFACE" menu. Frequently, the desired emulation is specified here, and

never changed again.

It is also possible to switch back and forth between various emulations in order to use

the unique features of each. A different emulation may be selected via software with

the ESC ESC n sequence.

Although switching emulations is essentially a seamless process, the fundamental

differences between emulations may cause unanticipated results. For example,

character size may vary, or tabs may work differently.

Changing Forms/Tractor Paths

As mentioned above, the FormsPro 4000 series printers have ten complete sets of

forms parameters. These different parameters, or forms, may be selected either from

the front panel or with escape sequences. In the FormsPro 4503, selecting a different

form may also select a different tractor path. The tractor path is one of the parameters

which may be set for each of the ten forms in the "Setup: FORMS" menu using Setup

as described in the FormsPro 4000 Series Operator's Manual.

Escape sequences for loading forms are only available in the Epson and Printek

emulations. In either chapter refer to the "Load Form" escape sequence in the "Forms

and Tractors" section.

If you are using an emulation other than Epson or Printek, you may temporarily

change emulations as described above, load the new form, and then return to the

previous emulation. An example of this may be found in the "Emulations" section at

the end of each of the emulation chapters.

Page 1-3

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ANSI X3.64 EMULATION

Introduction

This section describes the control codes and escape sequences comprising ANSI

X3.64 emulation. This emulation may be selected by specifying "Mode: ANSI

X3.64" in the "Setup: INTERFACE" menu, or via software with the ESC ESC 1

sequence. While this emulation is selected, control codes and escape sequences from

other emulations are not available.

Control codes and escape sequences are used to control printer operation. An ASCII

control code is a single character in the range 00 hex through 1F hex, and 7F hex.

The ESC (Escape) control code (1B hex) is used to introduce character strings called

escape sequences, which provide an extension of the commands available with ASCII

control codes.

Many ANSI escape sequences begin with a two character Control Sequence

Introducer (CSI), Escape Left Square Bracket (ESC [, 1B 5B hex). If 8-bit data is

selected via control panel setup, these two characters may be replaced by a single

character CSI, 9B hex. The sequences are always documented in this section with the

two character CSI (ESC [), because this format seems to be much more common, and

works equally well with 7-bit or 8-bit data.

Some escape sequences accept one or more numeric parameters. A numeric

parameter is a decimal number represented by a string of ASCII decimal digits ("0"

through "9"). Leading zeros may be supplied, but are not necessary. Due to

implementation constraints, the largest value that can be accepted is decimal 255.

Larger values will be treated as zero. Omitting a numeric parameter is equivalent to

supplying a value of zero.

If a sequence accepts one numeric parameter, it will be represented as "n". If a

sequence accepts more than one numeric parameter, they will be represented as "n1;

n2; ... nx". Note that multiple numeric parameters are separated by a semicolon.

Most ANSI escape sequences will assume one of the following formats:

ESC f

(no numeric parameters)

ESC n f

(one numeric parameter)

ESC n1; n2; ... nx f

(two or more numeric parameters)

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ANSI X3.64 Emulation

The "f" at the end of the escape sequence represents the final character. It terminates

the sequence, and specifies the function to be performed.

Spaces are used when documenting escape sequences to increase readability. The

spaces within the sequences are for readability only; they are not part of the

sequences themselves. Characters that appear in italics (such as "n" and "f" above)

are not sent to the printer as is; they are used as a place holder indicating that some

value must be supplied.

Multiple character strings without intervening spaces typically represent control

codes. For example, BS is the Backspace control code (08 hex), not the two

characters "B" and "S" (42 and 53 hex). An ASCII Control Code Table is contained

in the appendices for your convenience. If you have any doubt about how to interpret

a documented control code or escape sequence, refer to the hex representation in the

provided example. This should clarify any ambiguity. The examples may also be

helpful when analyzing a hex dump (see chapter 8) printed by the printer.

Some escape sequences refer to the active column or active line. The active column

is the column where the next character will be printed. Printing a character or a space

will increment the active column. The active line is the line where the next character

will be printed. A line feed will increment the active line. Column and line numbers

begin at one, not at zero.

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ANSI X3.64 Emulation

Control Codes and Escape Sequences

Grouped by Function

Communications

End of Text

ETX

If "ETX/ACK: On" is specified in the "Setup: INTERFACE" menu, then receipt of an

ETX causes the printer to transmit an ACK to the host computer.

Since the ETX may be a legal value within an escape sequence, it is the user's

responsibility to ensure that an ETX used for data handshake is not sent within an

escape sequence. The user must also ensure that the maximum block size or the

number of blocks sent at one time does not exceed the input buffer size of the printer.

ETX/ACK handshake is available only with serial I/O. It is not available when using

the parallel interface or the coaxial/twinaxial interface.

Control code:

Hexadecimal:

ETX

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ANSI X3.64 Emulation

Character Size and Line Spacing

Set Character and Line Spacing

ESC [ n1 ; n2 SP G

Sets the character and line spacing in decipoints (1/720 of an inch). The first

parameter, n1, sets the line spacing. The second parameter, n2, sets the character

spacing. Typical values for n1 and supported values for n2 are shown below. Other

values for n2 will be ignored. To change only the horizontal or only the vertical

spacing, omit the other value from the sequence or set it to zero. Overrides the "CPI:"

value and the "LPI:" value in the "Setup: FORM" menu.

120

line pitch

6 lpi

8 lpi

character pitch

10 cpi

12 cpi

13.3 cpi

15 cpi

16.74 cpi

17.14 cpi

20 cpi

Example: The following escape sequence will select 6 lpi and 10 cpi.

Escape Sequence:

Hexadecimal:

ESC

[

;

1B 5B 31 32 30 3B 37 32 20 47

Example: The following escape sequence will select 6 lpi without affecting character

spacing.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 32 30 20 47

Example: The following escape sequence will select 10 cpi without affecting line

spacing.

Escape Sequence:

Hexadecimal:

ESC

[

;

1B 5B 3B 37 32 20 47

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ANSI X3.64 Emulation

Character Attributes

Select Graphic Rendition

ESC [ n m

Selects the graphic rendition n from the following table.

Rendition

Normal

Emphasized

Italic

Underline

For italic mode to work correctly, an Epson FX font must be selected (check the

"Font:" value in the "Setup: FORM" menu). The other available fonts do not include

italic characters.

Example: The following escape sequence will select emphasized mode.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 6D

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ANSI X3.64 Emulation

Horizontal Position

Carriage Return

Causes the current line to be printed, and then sets the current print position to the left

margin. If "Auto LF: On" is selected in the "Setup: INTERFACE" menu, a line feed

will also be performed.

Control code:

Hexadecimal:

Backspace

Causes the current line to be printed, and then moves the current print position one

space to the left. The actual distance moved depends on the current character

spacing. Backspacing can be done up to, but not beyond, the left margin.

Control code:

Hexadecimal:

Absolute Horizontal Tab

ESC [ n `

Sets the current print position to column n. The actual position will depend on the

current character spacing. If n is less than the left margin, the active column will be

set to the left margin. If n is greater than the right margin, then a line feed will be

performed and the active column will be set to the left margin.

Example: The following escape sequence will set the active column to column 65.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 36 35 60

Relative Horizontal Tab

ESC [ n a

Advances the current print position by n columns. The actual distance moved will

depend on the current character spacing. Equivalent to sending n spaces (SP).

Example: The following escape sequence will advance the active column by 10

columns. If current character spacing is 10 cpi, this will cause the print position to

move one inch to the right.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 30 61

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ANSI X3.64 Emulation

Vertical Position

Line Feed

(or)

IND

(or)

ESC D

Causes the current line to be printed, and then advances the paper one line at the

current line spacing. If "Auto CR: On" is selected in the "Setup: INTERFACE"

menu, a carriage return will also be performed.

Control code:

Hexadecimal:

Control code:

Hexadecimal:

IND

Escape Sequence:

Hexadecimal:

ESC

1B 44

Partial Line Down

(or)

PLD

ESC K

Performs a half line feed. Causes the current line to be printed, and then advances the

paper one half line at the current line spacing. If "Auto CR: On" is selected in the

"Setup: INTERFACE" menu, a carriage return will also be performed.

Control code:

Hexadecimal:

PLD

Escape Sequence:

Hexadecimal:

ESC

1B 4B

Partial Line Up

(or)

PLU

ESC L

Performs a reverse half line feed. Causes the current line to be printed, and then

retracts the paper one half line at the current line spacing. If "Auto CR: On" is

selected in the "Setup: INTERFACE" menu, a carriage return will also be performed.

Control code:

Hexadecimal:

PLU

Escape Sequence:

Hexadecimal:

ESC

1B 4C

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ANSI X3.64 Emulation

Absolute Vertical Tab

ESC [ n d

Sets the current line to line n of the current form. The actual position will depend on

the current line spacing.

Example: The following escape sequence will set the active line to line 12.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 32 64

Relative Vertical Tab

ESC [ n e

Advances the active line by n lines. The actual distance moved will depend on the

current line spacing. Equivalent to sending n line feeds (LF).

Example: The following escape sequence will advance the active line by 12 lines. If

current line spacing is 6 lpi, this will cause the paper to advance one inch.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 32 65

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ANSI X3.64 Emulation

Horizontal and Vertical Position

New Line

(or)

NEL

ESC E

Causes the current line to be printed, and then sets the current print position to the left

margin and performs a line feed. Equivalent to a carriage return (CR) line feed (LF)

combination.

Control code:

Hexadecimal:

NEL

Escape Sequence:

Hexadecimal:

ESC

1B 45

Form Length and Form Feed

Form length is the distance from the top of the form to the bottom of the form. A

form feed will advance the paper to the top of the next form. Some programs do not

send form feeds. Instead, they count line feeds, and send the appropriate number of

line feeds to fill out the page. The usual rational is that the program is then in

complete control of form length, and will work on any printer without requiring the

correct form length to be set. However, the correct form length should always be set

on the FormsPro 4000. Even if the program does not use form feeds, the printer will

automatically scroll a completed form up to the tear bar to be torn off. This automatic

scroll is based upon form length. The easiest way to set form length is via the

"Length:" value in the "Setup: FORM" menu, so it will be correctly set for everyone

using the form.

Form Feed

Causes the current line to be printed, and then advances the paper to the top of the

next form. If a top margin is set, printing will continue at the top margin. The "FF at

TOF: No" value in the "Setup: INTERFACE" menu allows a form feed to be ignored

if the paper is already at top of form. If "Auto CR: On" is selected in the "Setup:

INTERFACE" menu, a carriage return will also be performed.

Control code:

Hexadecimal:

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ANSI X3.64 Emulation

Horizontal Tabs

Horizontal tab stops are associated with columns, not absolute physical positions.

Changing character spacing will change the physical position of the tab stops.

Default tab stops are set at every eighth column, i.e. column 9, 17, 25, 33, 41, etc. If

different tab stops are to be set, the default tab stops should first be cleared.

Horizontal Tab

Advances to the next horizontal tab stop. If no tab stop exists between the active

column and the right margin, the HT will be ignored. Default tab stops are set at

every eighth column, i.e. column 9, 17, 25, 33, 41, etc. Different tab stops may be set

with ESC H, ESC 1, or ESC [ n1 ; n2 ; ... nx u.

Control code:

Hexadecimal:

Set Horizontal Tab Stop

(or)

HTS

ESC H

Sets a horizontal tab stop at the current print position. The tab stop is associated with

the active column, not an absolute physical position. Changing character spacing will

change the physical position of the tab stop.

Default tab stops are set at every eighth column, i.e. column 9, 17, 25, 33, 41, etc.

The tab stop set by this escape sequence will be added to previously set tab stops,

including the default tab stops. If this is not desired, the old tab stops should first be

cleared.

Control code:

Hexadecimal:

HTS

Escape Sequence:

Hexadecimal:

ESC

1B 48

Clear Horizontal Tab Stop

(or)

ESC [ g

ESC [ 0 g

Clears the horizontal tab stop at the current print position. The tab stop to be cleared

is associated with the active column (based upon the current character spacing), not

an absolute physical position.

Escape Sequence:

Hexadecimal:

ESC

1B 5B 67

[

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ANSI X3.64 Emulation

Clear all horizontal tab stops

(or)

ESC [ 2 g

ESC [ 3 g

Clears all currently set horizontal tab stops.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 32 67

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 33 67

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ANSI X3.64 Emulation

Vertical Tabs

Vertical tab stops are associated with lines, not absolute physical positions. Changing

line spacing will change the physical position of the tab stops.

Vertical Tab

Causes the current line to be printed, and then advances the paper to the next vertical

tab stop. If no vertical tab stops are set, then a line feed is done instead. If "Auto CR:

On" is selected in the "Setup: INTERFACE" menu, a carriage return will also be

performed.

Control code:

Hexadecimal:

Set Vertical Tab Stop

(or)

VTS

ESC J

Sets a vertical tab stop at the current line. The tab stop is associated with the active

line, not an absolute physical position. Changing line spacing will change the

physical position of the tab stop.

The tab stop set by this escape sequence will be added to previously set tab stops. If

this is not desired, the old tab stops should first be cleared.

Control code:

Hexadecimal:

VTS

Escape Sequence:

Hexadecimal:

ESC

1B 4A

Clear Vertical Tab Stop

ESC [ 1 g

Clears the vertical tab stop at the current line. The tab stop to be cleared is associated

with the active line (based upon the current line spacing), not an absolute physical

position.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 31 67

Clear All Vertical Tab Stops

ESC [ 4 g

Clears all currently set vertical tab stops.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 34 67

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ANSI X3.64 Emulation

Printer Controls

Bell

BEL

Causes the printer's bell to sound.

Control code:

Hexadecimal:

BEL

Select Automatic Carriage Return

ESC [ 20 h

Selects automatic carriage return mode. This causes the printer to automatically

perform a carriage return (CR) for each line feed (LF), vertical tab (VT), or form feed

(FF) that it receives. Overrides the "Auto CR:" value in the "Setup: INTERFACE"

menu.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 32 30 68

Cancel Automatic Carriage Return

ESC [ 20 l

Cancels automatic carriage return mode. Overrides the "Auto CR:" value in the

"Setup: INTERFACE" menu.

Escape Sequence:

Hexadecimal:

ESC

[

1B 5B 32 30 6C

Reset

ESC c

Deletes all data on the current line and initializes the printer to the default settings for

the current form.

Restores the default horizontal tab stops. Default tab stops are set at every eighth

column, i.e. column 9, 17, 25, 33, 41, etc.

Resets top of form to the current position, so it is wise to be at top of form before

performing this reset. Issuing a form feed will guarantee this.

See the appendix on Printer Reset Conditions for more information.

Escape Sequence:

Hexadecimal:

ESC

1B 63

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ANSI X3.64 Emulation

Emulations

Select Software Interface n

ESC ESC n

Selects the software interface n according to the table below.

Software Interface

Test (reserved for factory use)

ANSI X3.64 Emulation

Epson FX Emulation

Bar Code Mode (optional)

IBM Proprinter Emulation

DEC LA120 Emulation

TTY Emulation

Printek Emulation

Previously Selected Emulation

Default Emulation

Overrides the "Mode:" value in the "Setup: INTERFACE" menu.

BarberPole" and "Mode: Hex Dump" cannot be overridden.

"Mode:

A numeric value for n may be specified in two different ways, with equivalent results:

a single byte with a value of 00 to 07 hex, or a single printable ASCII character "0" to

"7" (30 to 37 hex).

If more than one emulation has been selected, ESC ESC ? will return to the

previously selected emulation. This is particularly useful when the previous

emulation is unknown. Please beware that the memory (stack) is only one level deep.

ESC ESC @ will return to the default emulation, as specified by the "Mode:" value in

the "Setup: INTERFACE" menu.

This chapter describes ANSI X3.64 emulation. If a different interface is selected, the

control codes and escape sequences described in this chapter will no longer be

applicable.

Example: The following escape sequences will select Printek emulation, load form

one, and then return to the previous emulation.

Escape Sequence:

Hexadecimal:

ESC ESC

ESC

ESC ESC

1B 1B 07 1B 4C 01 1B 1B 3F

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ANSI X3.64 Emulation

Control Codes and Escape Sequences

Sorted Alphabetically

BEL

Bell

Backspace

Carriage Return

Line Feed

ESC D

ESC E

ESC ESC n

ESC H

ESC J

New Line

Select Software Interface n

Set Horizontal Tab Stop

Set Vertical Tab Stop

Partial Line Down

ESC K

ESC L

ESC [ n1 ; n2 SP G

ESC [ n `

ESC [ n a

ESC [ n d

ESC [ n e

ESC [ g

ESC [ 0 g

ESC [ 1 g

ESC [ 2 g

ESC [ 3 g

ESC [ 4 g

ESC [ 20 h

ESC [ 20 l

ESC [ n m

ESC c

Partial Line Up

Set Character and Line Spacing

Absolute Horizontal Tab

Relative Horizontal Tab

Absolute Vertical Tab

Relative Vertical Tab

Clear Horizontal Tab Stop

Clear Vertical Tab Stop

Clear All Horizontal Tab Stops

Clear All Vertical Tab Stops

Select Automatic Carriage Return

Cancel Automatic Carriage Return

Select Graphic Rendition

Reset

ETX

End of Text

Form Feed

Horizontal Tab

HTS

IND

Set Horizontal Tab Stop

Line Feed

NEL

New Line

PLD

Partial Line Down

PLU

Partial Line Up

Vertical Tab

VTS

Set Vertical Tab Stop

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EPSON FX EMULATION

Introduction

This section describes the control codes and escape sequences comprising Epson FX

emulation. This emulation may be selected by specifying "Mode: Epson" in the

"Setup: INTERFACE" menu, or via software with the ESC ESC 2 sequence. While

this emulation is selected, control codes and escape sequences from other emulations

are not available.

Control codes and escape sequences are used to control printer operation. An ASCII

control code is a single character in the range 00 hex through 1F hex, and 7F hex.

The ESC (Escape) control code (1B hex) is used to introduce character strings called

escape sequences, which provide an extension of the commands available with ASCII

control codes.

Some escape sequences accept one or more numeric parameters. If a sequence

accepts one numeric parameter, it will be represented as "n". If a sequence accepts

more than one numeric parameter, they will be represented as "n1 n2 ... nx".

Since numeric parameters are always encoded in one byte, their values may range

from 0 to 255 decimal. Please note that the value will never be represented by a

string of ASCII decimal digits ("0" through "9"). For example, a value of 66 decimal

would be sent as a single byte with a hex value of 42. This is equivalent to sending

the ASCII character "B". It is entirely different than sending the two printable ASCII

characters "66".

If a numeric parameter is limited to a value of zero or one, it may be sent as a single

byte with a value of 00 or 01 hex (NUL or SOH), or it may be sent as a single

printable ASCII character "0" or "1" (30 or 31 hex).

Spaces are used when documenting escape sequences to increase readability. The

spaces within the sequences are for readability only; they are not part of the

sequences themselves. Characters that appear in italics (such as "n" and "n1 n2"

above) are not sent to the printer as is; they are used as a place holder indicating that

some value must be supplied.

Multiple character strings without intervening spaces typically represent control

codes. For example, BS is the Backspace control code (08 hex), not the two

characters "B" and "S" (42 and 53 hex). An ASCII Control Code Table is contained

in the appendices for your convenience. If you have any doubt about how to interpret

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Epson FX Emulation

a documented control code or escape sequence, refer to the hex representation in the

provided example. This should clarify any ambiguity. The examples may also be

helpful when analyzing a hex dump (see chapter 8) printed by the printer.

Column and line numbers begin at zero, not at one. Keep this in mind when setting

tabs, margins, etc.

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Epson FX Emulation

Control Codes and Escape Sequences

Grouped by Function

Communications

Cancel Line

CAN

Cancels all printable text in the current print line. Does not affect any control codes

or escape sequences.

Control code:

Hexadecimal:

CAN

Delete Character

DEL

Deletes the last printable character from the current line. Does not affect any control

codes or escape sequences.

Control code:

Hexadecimal:

DEL

End of Text

ETX

If "ETX/ACK: On" is specified in the "Setup: INTERFACE" menu, then receipt of an

ETX causes the printer to transmit an ACK to the host computer.

Since the ETX may be a legal value within an escape sequence, it is the user's

responsibility to ensure that an ETX used for data handshake is not sent within an

escape sequence. The user must also ensure that the maximum block size or the

number of blocks sent at one time does not exceed the input buffer size of the printer.

ETX/ACK handshake is available only with serial I/O. It is not available when using

the parallel interface or the coaxial/twinaxial interface.

If the printing of low symbols is enabled, ETX will be treated as a printable character

instead of an I/O handshake control code.

Control code:

Hexadecimal:

ETX

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Epson FX Emulation

Set MSB to 0

ESC =

Sets the MSB (most significant bit) of all following data to zero. Some computers

always set the MSB to one, causing all characters to print in italic mode. This escape

sequence can overcome the problem. The problem can also be avoided by selecting

"Data Bits: 7" in the "Setup: INTERFACE" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 3D

Set MSB to 1

ESC >

Sets the MSB (most significant bit) of all following data to one. This escape

sequence allows the eighth bit to be turned on, even if the computer and printer are

connected via a 7-bit I/O interface. The eighth bit may be useful for 8-pin graphics

data, or for accessing italic characters.

Escape Sequence:

Hexadecimal:

ESC

1B 3E

Cancel MSB Control

ESC #

Cancels the MSB (most significant bit) control set by ESC = or ESC >. This causes

the eighth data bit sent from the host computer to be accepted as is.

Escape Sequence:

Hexadecimal:

ESC

1B 23

Deselect Printer

(or)

DC3

XOFF

Deselects the printer. Use of this command is discouraged, because the printer will

remain offline until an operator presses the ONLINE button on the control panel.

Control code:

Hexadecimal:

DC3

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Epson FX Emulation

Character Size

The FormsPro 4000 is capable of supporting 10, 12, 13.3, 15, 16.7, 17.14, and 20 cpi,

but most emulations support only a subset of these. Epson emulation supports 10, 12,

15, 17.14, and 20 cpi via software, but does not support 13.3 or 16.7 cpi. Every

emulation supports 10 cpi, and we consider this to be the default character pitch.

When you use the control panel to change the "CPI:" value in the "Setup: FORM"

menu, you are actually changing the default character pitch. When the printer is

turned on (or reset), it will use this character pitch. You can even use a pitch that is

not supported by your emulation, such as 13.3 cpi with Epson emulation. You can

override this pitch selection via software, by sending an escape sequence. This

selects a user specified non-default pitch. For example, in Epson emulation, sending

ESC M will select 12 cpi. Sending ESC P will re-select 10 cpi, and thus re-select the

default character pitch that was selected in the form setup.

Via software escape sequences, you can select any character pitch supported by the

emulation you are using. All will print as expected, unless you select 10 cpi --

because 10 cpi really selects the default character pitch from setup. If you really want

10 cpi, then you must specify "CPI: 10" in the "Setup: FORM" menu. Likewise, if

you want to use the default pitch from setup, you must not override it. Either send no

character pitch sequences to the printer, or make sure you re-select 10 cpi via

software.

When you select different forms, the default character pitch from setup is selected

along with the form. But you will not see this default pitch if it has already been

overridden via software.

Select 10 CPI

ESC P

Selects 10 cpi by cancelling 12 cpi and 15 cpi. Condensed mode is unaffected. The

resulting character spacing will be 10 cpi, or if condensed mode is also selected,

17.14 cpi.

If "CPI: 10" was not specified in the "Setup: FORM" menu, the specified default

character pitch will be selected instead of 10 cpi.

Escape Sequence:

Hexadecimal:

ESC

1B 50

Select 12 CPI

ESC M

Selects 12 cpi (elite mode). Cancels 15 cpi. Condensed mode is unaffected. The

resulting character spacing will be 12 cpi, or if condensed mode is also selected, 20

cpi.

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Epson FX Emulation

Escape Sequence:

Hexadecimal:

ESC M

1B 4D

Select 15 CPI

ESC g

Selects 15 cpi. Cancels 12 cpi. Condensed mode is unaffected. The resulting

character spacing will be 15 cpi, even if condensed mode is also selected.

Escape Sequence:

Hexadecimal:

ESC

1B 67

Select Condensed Mode

(or)

ESC SI

Selects condensed mode. The resulting character spacing will be 17.14 cpi if 10 cpi

was selected, or 20 cpi if 12 cpi was selected. If 15 cpi was selected, condensed

mode will have no affect.

Control code:

Hexadecimal:

Escape Sequence:

Hexadecimal:

ESC SI

1B 0F

Cancel Condensed Mode

DC2

Cancels condensed mode set by SI or ESC SI.

Control code:

Hexadecimal:

DC2

Select double-wide mode (one line)

(or)

ESC SO

Selects double-wide mode for one line. Double-wide mode doubles the width of all

characters, but does not affect character height. This mode is cancelled by a carriage

return or DC4.

Control code:

Hexadecimal:

Escape Sequence:

Hexadecimal:

ESC SO

1B 0E

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Epson FX Emulation

Cancel Double-Wide Mode (one line)

DC4

Cancels double-wide mode selected by SO or ESC SO. Does not cancel double-wide

mode selected by ESC W or ESC !.

Control code:

Hexadecimal:

DC4

Double-Wide Mode

ESC W n

Selects double-wide mode for n=1, or cancels for n=0. Double-wide mode doubles

the width of all characters, but does not affect character height.

Example: The following escape sequence will select double-wide mode.

Escape Sequence:

Hexadecimal:

ESC W

1B 57 31

Double-High Mode

ESC w n

Selects double-high mode for n=1, or cancels for n=0. Double-high mode doubles the

height of all characters, but does not affect character width.

Example: The following escape sequence will select double-high mode.

Escape Sequence:

Hexadecimal:

ESC

1B 77 31

Select Subscript or Superscript Mode

ESC S n

Selects subscript mode for n=1, or superscript mode for n=0. This will print

characters about half the normal height, in the bottom or top half of the normal

character cell.

Example: The following escape sequence will select superscript mode.

Escape Sequence:

Hexadecimal:

ESC

1B 53 30

Cancel Subscript and Superscript Mode

ESC T

Cancels subscript and superscript mode.

Escape Sequence:

Hexadecimal:

ESC

1B 54

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Epson FX Emulation

Character Attributes

Select Emphasized Mode

ESC E

Selects emphasized mode. This makes characters bolder by printing an extra dot to

the right of each dot normally found in the character matrix. This will cut the print

speed in half, but will not require an additional pass of the print head. Overrides the

"Impact:" value in the "Setup: FORM" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 45

Cancel Emphasized Mode

ESC F

Cancels emphasized mode. Overrides the "Impact:" value in the "Setup: FORM"

menu.

Escape Sequence:

Hexadecimal:

ESC

1B 46

Select Double-Strike Mode

ESC G

Selects double-strike mode. This makes text bolder by printing it twice. This will cut

the print speed in half, because an additional pass of the print head will be required.

Escape Sequence:

Hexadecimal:

ESC

1B 47

Cancel Double-Strike Mode

ESC H

Cancels double-strike mode.

Escape Sequence:

Hexadecimal:

ESC

1B 48

Underline Mode

ESC - n

Selects underline mode for n=1, or cancels for n=0. This mode provides continuous

underlining for all characters, including spaces.

Example: The following escape sequence will turn underlining on.

Escape Sequence:

Hexadecimal:

ESC

1B 2D 31

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Epson FX Emulation

Select Italic Mode

ESC 4

Selects italic mode. This causes italic characters to be printed by setting the MSB

(most significant bit) of all following printable characters to one. The effect is to map

characters from the bottom half (non-italic) of the font to the top half (italic) of the

font. For this to work correctly, an Epson FX font must be selected (see ESC k). The

other available fonts do not include italic characters.

Escape Sequence:

Hexadecimal:

ESC

1B 34

Cancel Italic Mode

ESC 5

Cancels italic mode. The MSB (most significant bit) of the following printable

characters will be accepted as is. Italic characters may still be printed by transmitting

characters with the MSB turned on.

Escape Sequence:

Hexadecimal:

ESC

1B 35

Master Print Mode Select

ESC ! n

Selects any valid combination of modes from the following table. The value of n is

determined by adding together the values of the desired modes from the table.

Attribute

10 cpi

12 cpi

128

Condensed

Emphasized

Double-Strike

Double-Wide

Italic

Underline

Example: The following escape sequence will select 12 cpi condensed, resulting in

20 cpi character spacing.

Escape Sequence:

Hexadecimal:

ESC

1B 21 05

Example: The following escape sequence will select emphasized, double-wide, and

underline, for a heading that really stands out.

Escape Sequence:

Hexadecimal:

ESC

1B 21 A8

168

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Epson FX Emulation

Character Sets

Select Draft or Letter Quality

ESC x n

Selects draft for n=0 or letter quality for n=1. Same as ESC k 0 or ESC k 1.

Overrides the "Font:" value in the "Setup: FORM" menu.

Example: The following escape sequence will select draft print.

Escape Sequence:

Hexadecimal:

ESC

1B 78 30

Select Font

ESC k n

Select font n according to the following table.

Font

Epson FX Draft

Epson FX Letter Quality

Proprinter Draft

Proprinter Letter Quality

EBCDIC Draft (optional)

EBCDIC Letter Quality (optional)

OCR-A Optical Quality (optional)

OCR-B Optical Quality (optional)

Epson FX Fast Draft

Epson FX Draft

Epson FX Letter Quality

Proprinter PC Fast Draft

Proprinter PC Draft

Proprinter PC Letter Quality

PC Latin II (Slavic) Fast Draft

PC Latin II (Slavic) Draft

PC Latin II (Slavic) Letter Quality

EBCDIC Fast Draft

EBCDIC Draft

EBCDIC Letter Quality

OCR-A Optical Quality

OCR-B Optical Quality

Overrides the "Font:" value in the "Setup: FORM" menu. If the specified font is not

installed, the "Font:" value in the "Setup: FORM" menu will be used to select the

default font.

Example: The following escape sequence will select the Epson FX letter quality font.

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Epson FX Emulation

Escape Sequence:

Hexadecimal:

ESC

1B 6B 01

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Epson FX Emulation

Select International Character Set

ESC R n

Selects the international character set as specified by the value of n in the following

table. Overrides the "Lang:" value in the "Setup: FORM" menu.

Character Set

United States of America

France

Germany

United Kingdom

Denmark

Sweden

Italy

Spain

Japan

The actual character substitutions are shown in the "International Character Mapping"

table below. For this to work correctly, an Epson FX font must be selected (see

ESC k).

35 36 64 91 92 93 94 96 123 124 125 126

USA

[

]

{

}

France

Germany

England

Denmark

Sweden

Italy

Spain

Japan

PTS

[

]

{

Example: The following escape sequence will select the German character set.

Escape Sequence:

Hexadecimal:

ESC

1B 52 02

Character Table

ESC t n

Selects the Epson italic character set or the Epson extended graphics character set.

As implemented, this selects either the Epson FX font or the PC USA font. The

character attribute (fast draft, draft, or letter quality) will not change.

Example: The following escape sequence will select the Epson FX font.

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Epson FX Emulation

Escape Sequence:

Hexadecimal:

ESC

1B 74 30

Enable Printing of High Symbols

ESC 6

Enables printing of character values 128 through 159 decimal. If printing is not

enabled, these characters will be treated as control codes. Overrides the "Chars:"

value in the "Setup: INTERFACE" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 36

Disable Printing of High Symbols

ESC 7

Disables printing of character values 128 through 159 decimal. These characters will

be treated as control codes. Overrides the "Chars:" value in the "Setup:

INTERFACE" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 37

Printing of Low Symbols

ESC I n

Enables printing of character values 0 through 31 decimal if they are not used as

control codes for n=1, or disables printing for n=0. Overrides the "Chars:" value in

the "Setup: INTERFACE" menu.

Example: The following escape sequence will disable printing of character values 0

through 31 decimal.

Escape Sequence:

Hexadecimal:

ESC

1B 49 30

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Epson FX Emulation

Line Pitch

Select 8 LPI

ESC 0

Sets the line spacing to 1/8 of an inch per line (8 lpi). Overrides the "LPI:" value in

the "Setup: FORM" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 30

Set Line Spacing to 7/72"

ESC 1

Sets the line spacing to 7/72 of an inch per line. Since the distance between print

head wires is 1/72 of an inch, this is equivalent to setting seven wire spacing. This is

not particularly useful for text, but may be useful for graphics if 7-bit graphics data is

being sent. Overrides the "LPI:" value in the "Setup: FORM" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 31

Select 6 LPI

ESC 2

Sets the line spacing to 1/6 of an inch per line (6 lpi). This is the normal text line

spacing. Overrides the "LPI:" value in the "Setup: FORM" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 32

Set Line Spacing to n/216"

ESC 3 n

Sets the line spacing to n/216 of an inch per line. 0³n³ 255. Overrides the "LPI:"

value in the "Setup: FORM" menu.

NOTE: The actual resolution of the FormsPro 4000 paper stepper motor is 1/288 of

an inch. When spacing is specified in 1/216 of an inch, the printer will actually move

paper to the nearest 1/288 of an inch.

Example: The following escape sequence will set line spacing to one half inch.

Escape Sequence:

Hexadecimal:

ESC

1B 33 6C

108

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Epson FX Emulation

Set Line Spacing to n/72"

ESC A n

Sets the line spacing to n/72 of an inch per line. 0³ n³ 255. Since the distance

between print head wires is 1/72 of an inch, this is equivalent to setting n wire

spacing. Overrides the "LPI:" value in the "Setup: FORM" menu.

Example: The following escape sequence will set line spacing to 8/72 of an inch, for

use with eight wire graphics.

Escape Sequence:

Hexadecimal:

ESC

1B 41 08

Horizontal Position

Carriage Return

Causes the current line to be printed, and then sets the current print position to the left

margin. If "Auto LF: On" is selected in the "Setup: INTERFACE" menu, a line feed

will also be performed.

Control code:

Hexadecimal:

Backspace

Causes the current line to be printed, and then moves the current print position one

space to the left. The actual distance moved depends on the current character

spacing. Backspacing can be done up to, but not beyond, the left margin.

Control code:

Hexadecimal:

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Epson FX Emulation

Vertical Position

Line Feed

Causes the current line to be printed, and then advances the paper one line at the

current line spacing. If "Auto CR: On" is selected in the "Setup: INTERFACE"

menu, a carriage return will also be performed.

Control code:

Hexadecimal:

Variable Distance Line Feed

ESC J n

Causes the current line to be printed, and then performs a single line feed of n/216ths

of an inch. 0³ n³ 255. Does not change the current line spacing. If "Auto CR: On" is

selected in the "Setup: INTERFACE" menu, a carriage return will also be performed.

Example: The following escape sequence will advance the paper one half inch.

Escape Sequence:

Hexadecimal:

ESC

1B 4A 6C

108

Variable Distance Reverse Line Feed

ESC j n

Performs a single reverse line feed of n/216ths of an inch. 0³ n³ 255. Does not

change the current line spacing. If "Auto CR: On" is selected in the "Setup:

INTERFACE" menu, a carriage return will also be performed.

Example: The following escape sequence will move the paper down one half inch.

Escape Sequence:

Hexadecimal:

ESC

1B 6A 6C

108

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Epson FX Emulation

Form Length and Form Feed

Form length is the distance from the top of the form to the bottom of the form. Form

length may be specified either in inches, or in lines. A form feed will advance the

paper to the top of the next form. Some programs do not send form feeds. Instead,

they count line feeds, and send the appropriate number of line feeds to fill out the

page. The usual rational is that the program is then in complete control of form

length, and will work on any printer without requiring the correct form length to be

set. However, the correct form length should always be set on the FormsPro 4000.

Even if the program does not use form feeds, the printer will automatically scroll a

completed form up to the tear bar to be torn off. This automatic scroll is based upon

form length. The easiest way to set form length is via the "Length:" value in the

"Setup: FORM" menu, so it will be correctly set for everyone using the form. If

correct form length cannot be guaranteed from SETUP, then each program should set

the correct form length.

Set Form Length in Lines

ESC C n

Sets the form length to n lines at the current line spacing. 1³ n³ 255. Maximum form

length is 37.9 inches. Invalid form lengths will be ignored. Overrides the "Length:"

value in the "Setup: FORM" menu.

For example, an 11 inch form contains 66 lines at 6 LPI, but 88 lines at 8 LPI. If line

spacing is changed after setting the form length, the physical form length (in inches)

will not be changed.

Resets top of form to the current position, so it is wise to be at top of form before

setting form length. Issuing a form feed will guarantee this. Vertical margins are

cleared.

Example: The following escape sequence will set form length to 66 lines. At 6 LPI,

this will result in a form length of 11 inches.

Escape sequence:

Hexadecimal:

ESC

1B 43 42

Set Form Length in Inches

ESC C NUL n

Sets the form length to n inches. 1³ n³ 37. Maximum form length is 37.9 inches.

Invalid form lengths will be ignored. Overrides the "Length:" value in the "Setup:

FORM" menu.

Resets top of form to the current position, so it is wise to be at top of form before

setting form length. Issuing a form feed will guarantee this. Vertical margins are

cleared.

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Epson FX Emulation

Example: The following escape sequence will set form length to 11 inches,

regardless of what line spacing is set.

Escape sequence:

Hexadecimal:

ESC C NUL 11

1B 43 00 0B

Form Feed

Causes the current line to be printed, and then advances the paper to the top of the

next form. If a top margin is set, printing will continue at the top margin. The "FF at

TOF: No" value in the "Setup: INTERFACE" menu allows a form feed to be ignored

if the paper is already at top of form. If "Auto CR: On" is selected in the "Setup:

INTERFACE" menu, a carriage return will also be performed.

Control code:

Hexadecimal:

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Epson FX Emulation

Horizontal Tabs

Default horizontal tab stops are set at every eighth column, i.e. column 8, 16, 24, 32,

40, etc. The default tab stops are associated with columns, not absolute physical

positions. Changing character spacing will change the physical position of the default

tab stops.

User defined horizontal tab stops are associated with absolute physical positions, not

with columns. The tab stops are set relative to the current character spacing, but

subsequent changes in character spacing will not affect the physical position of the

tab stops (except that the position will be rounded up to the closest character

boundary).

Horizontal Tab

Advances to the next horizontal tab stop. If no tab stop exists between the active

column and the right margin, the HT will be ignored. Default tab stops are set at

every eighth column, i.e. column 8, 16, 24, 32, 40, etc. Different tab stops may be set

with ESC D.

Control code:

Hexadecimal:

Absolute Horizontal Tab

ESC $ n1 n2

Move to the specified carriage position. The position is specified in 60ths of an inch,

n1+(n2 « 256)

and calculated as

inches. The position is relative to the left margin and

must not exceed the right margin or it will be ignored.

Example: The following escape sequence will set the carriage position 5 inches

(300/60 inches) from the left margin.

Escape Sequence:

Hexadecimal:

ESC

1B 24 2C 01

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Epson FX Emulation

Relative Horizontal Tab

ESC \ n1 n2

Move the carriage position to the left or right of the current carriage position. The

(

)

n1+ n2 « 256

displacement is specified in 120ths of an inch, and calculated as

inches.

120

The new position is relative to the current carriage position, and must fall within the

left and right margins or it will be ignored. A negative displacement (2’s

complement) causes a move to the left.

Example: The following escape sequence will move the carriage one inch to the

right.

Escape Sequence:

Hexadecimal:

ESC

120

1B 5C 78 00

Example: The following escape sequence will move the carriage one inch to the left.

Escape Sequence:

Hexadecimal:

ESC

136 255

1B 5C 88 FF

Set Horizontal Tab Stops

ESC D n1 n2 ... nx NUL

Clears all currently set horizontal tab stops, and sets new tab stops at column n1, n2,

n3, etc. 1³ n³ 255. The tab stops must be presented in ascending order. The NUL

character, or any tab stop value less than the preceding one, terminates the sequence.

The tab stops are set relative to the current character spacing, but subsequent changes

in character spacing will not affect the physical position of the tab stops (except that

the position will be rounded up to the closest character boundary). The leftmost

column is column zero.

Default tab stops are set at every eighth column, i.e. column 8, 16, 24, 32, 40, etc.

The tab stops set by ESC D will replace the default tab stops. ESC D NUL will clear

all tab stops, leaving no tab stops set. The default tab stops are restored by ESC @.

Example: The following escape sequence will set horizontal tab stops at half inch

intervals, if character spacing is currently 10 cpi.

Escape Sequence:

Hexadecimal:

ESC

10 15 20 25 30 NUL

14 19 1E 00

1B 44 05 0A 0f

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Epson FX Emulation

Vertical Tabs

Vertical tab stops are associated with absolute physical positions, not with lines. The

tab stops are set relative to the current line spacing, but subsequent changes in line

spacing will not affect the physical position of the tab stops.

Vertical Tab

Causes the current line to be printed, and then advances the paper to the next vertical

tab stop. If no vertical tab stops are set, then a line feed is done instead. If "Auto CR:

On" is selected in the "Setup: INTERFACE" menu, a carriage return will also be

performed.

Control code:

Hexadecimal:

Set Vertical Tab Stops

ESC B n1 n2 ... nx NUL

Clears all currently set vertical tab stops, and sets new tab stops at line n1, n2, n3, etc.

1³ n³ 255. The tab stops must be presented in ascending order. The NUL character,

or any tab stop value less than the preceding one, terminates the sequence. The tab

stop settings are based on the current line spacing. Changing the line spacing after

the tab stops are set will not affect the position of the tab stops. The first line is line

zero.

ESC B NUL will clear all currently set vertical tab stops, leaving no vertical tab stops

set.

Example: The following escape sequence will set vertical tab stops at line 6, 12, and

24. If line spacing is currently 6 lpi, this will result in tab stops one inch, two inches,

and four inches from the top of the form.

Escape Sequence:

Hexadecimal:

ESC

12 24 NUL

1B 42 06 0C 18 00

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Epson FX Emulation

Horizontal Margins

Printing is allowed only within the left and right margins. Exceeding the right margin

will cause line wrap, setting the current print position to the left margin and

advancing the paper one line.

Set Left Margin

ESC l n

Sets the left margin to column n at the current character spacing. If character spacing

is changed after setting the left margin, the position of the left margin will not change.

The left margin is inclusive. For example, a left margin at column 10 still allows a

character to be printed in column 10.

The leftmost column is column zero. The left margin must be left of the right margin

and ³ 13.4 inches. Invalid left margins will be ignored. Overrides the "Left Mar:"

value in the "Setup: FORM" menu.

Example: The following escape sequence will set a one inch left margin, if character

spacing is currently 10 cpi.

Escape Sequence:

Hexadecimal:

ESC

1B 6C 0A

Set Right Margin

ESC Q n

Sets the right margin to column n at the current character spacing. If character

spacing is changed after setting the right margin, the position of the right margin will

not change.

The right margin is exclusive. For example, a right margin at column 75 allows a

character to be printed in column 74, but not in column 75.

The leftmost column is column zero. The right margin must be right of the left

margin and £13.6 inches. Invalid right margins will be ignored. Overrides the "Right

Mar:" value in the "Setup: FORM" menu.

Example: The following escape sequence will set a right margin 7.5 inches from the

left edge of the form, if character spacing is currently 10 cpi. For a standard 8.5 inch

wide form, this would result in a one inch right margin.

Escape Sequence:

Hexadecimal:

ESC

1B 51 4B

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Epson FX Emulation

Vertical Margins

Printing is allowed only within the top and bottom margins. Exceeding the bottom

margin will set the current line to the top margin of the next form.

Set Perforation Skip

ESC N n

Sets the perforation skip distance to n lines at the current line spacing. 1³ n³ 255. If

line spacing is changed after setting the skip distance, the skip distance will not be

changed.

The skip distance is split between the top and bottom margins, so the perforation will

be centered in the resulting white space. The specified skip distance must be less than

the form length, or the command will be ignored. Perforation skip is canceled by

ESC O, ESC C n or ESC C NUL n. Overrides the "Top Mar:" and "Btm Mar:" values

in the "Setup: FORM" menu.

Example: The following escape sequence will set a two inch perforation skip

distance, if the current line spacing is 6 lpi. This will result in a one inch top and

bottom margin.

Escape Sequence:

Hexadecimal:

ESC

1B 4E 0C

Cancel Perforation Skip

ESC O

Cancels perforation skip. This is equivalent to having no top and bottom margin.

Overrides the "Top Mar:" and "Btm Mar:" values in the "Setup: FORM" menu.

Escape Sequence:

Hexadecimal:

ESC

1B 4F

Page 3-23

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Epson FX Emulation

Graphics

Graphics mode gives the user complete control over every dot position on the paper.

Graphics may be printed with various horizontal densities from 60 to 240 dpi, and a

vertical density of 72 dpi.

Each byte of graphics data represents a vertical column of eight dots, with the MSB

(most significant bit) corresponding to the top wire of the print head. Turning a bit on

causes a dot to be printed. The bit values corresponding to each wire of the print head

are shown below:

wire 1

wire 2

wire 3

wire 4

wire 5

wire 6

wire 7

wire 8

128 (80 hex)

64 (40 hex)

32 (20 hex)

16 (10 hex)

(08 hex)

(04 hex)

(02 hex)

(01 hex)

The appropriate bit values are added together to fire the desired wires. For example,

a byte of graphics data with the value 128 (80 hex) will fire the top wire, wire 1. A

value of 192 (C0 hex) will fire the top two wires, wires 1 and 2. A value of 11 (0B

hex) will fire wires 5, 7 and 8.

Each graphics sequence contains two bytes (n1 and n2) that specify how many bytes

of graphics data follow. The first byte, n1, can specify values up to 255. If that is

sufficient, then n2 is set to zero. For values greater than 255, n2 comes into play.

The n2 byte specifies multiples of 256. For example, to specify 520 bytes of graphics

data, n1 = 8 and n2 = 2. The bytes of graphics data are strung together to create a

graphics line that is eight dots high, and n1 + (n2 x 256) dots long. Be sure to provide

the amount of graphics data that you specify, because the printer will not leave

graphics mode until it has accepted the specified number of data bytes.

If "Data Bits: 7" is specified in the "Setup: INTERFACE" menu, beware of potential

problems in graphics mode. Since the MSB (most significant bit) will always be

turned off, it will not be possible to fire the top wire of the print head. Worse yet, the

value of n1 or n2 may be changed. For example, if n1 specifies 200 bytes of data,

and its MSB is turned off, the printer will only expect 72 bytes of data. It will exit

graphics mode, and then try to print the remaining 128 bytes of graphics data as

normal text characters. The result will surely not be pretty. To avoid such problems,

the use of an 8-bit I/O interface for printing graphics is highly recommended.

The normal graphics modes allow every dot to be printed. High speed graphics will

print twice as fast, but will not allow consecutive dots to be printed.

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Epson FX Emulation

60 DPI Graphics

ESC K n1 n2 data

Selects eight wire single density (60 dpi) graphics for n1 + (n2 x 256) columns of

data.

Example: The following escape sequence will print six bytes of graphics data at 60

dpi. The resulting figure will resemble a backslash character, "\".

Escape Sequence:

Hexadecimal:

ESC

128 64 32 16

1B 4B 06 00 80 40 20 10 08 04

120 DPI Graphics

ESC L n1 n2 data

Selects eight wire double density (120 dpi) graphics for n1 + (n2 x 256) columns

data.

Example: The following escape sequence will print six bytes of graphics data at 120

dpi. The resulting figure will resemble a backslash character, "\".

Escape Sequence:

Hexadecimal:

ESC

128 64 32 16

1B 4C 06 00 80 40 20 10 08 04

High Speed 120 DPI Graphics

ESC Y n1 n2 data

Selects eight wire high speed double density (120 dpi) graphics for n1 + (n2 x 256)

columns of data. Horizontally adjacent dots may not be printed.

Example: The following escape sequence will print six bytes of graphics data at 120

dpi. The resulting figure will resemble a backslash character, "\".

Escape Sequence:

Hexadecimal:

ESC

128 64 32 16

1B 59 06 00 80 40 20 10 08 04

High Speed 240 DPI Graphics

ESC Z n1 n2 data

Selects eight wire quadruple density (240 dpi) graphics for n1 + (n2 x 256) columns

of data. Horizontally adjacent dots may not be printed.

Example: The following escape sequence will print six bytes of graphics data at 240

dpi. The resulting figure will resemble a backslash character, "\".

Escape Sequence:

Hexadecimal:

ESC

128 64 32 16

1B 5A 06 00 80 40 20 10 08 04

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Epson FX Emulation

m DPI Graphics

ESC * m n1 n2 data

Selects eight wire graphics of density m as listed in the following table for n1 + (n2 x

256) columns of data.

Density

60 dpi (same as ESC K)

120 dpi (same as ESC L)

120 dpi high speed (same as ESC Y)

240 dpi high speed (same as ESC Z)

80 dpi

72 dpi

90 dpi

144 dpi

_______

Example: The following escape sequence will print four bytes of graphics data at 72

x 72 dpi. The resulting figure will resemble a square, since the horizontal and vertical

density are the same. If some other density is chosen, the figure will resemble a

rectangle.

Escape Sequence:

Hexadecimal:

ESC

1B 2A 05 04 00 3C 3C 3C 3C

Page 3-26

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Epson FX Emulation

Printer Controls

Bell

BEL

Causes the printer's bell to sound.

Control code:

Hexadecimal:

BEL

Unidirectional Mode (one line)

ESC <

Selects unidirectional mode for the current line (until a carriage return is received).

This will force the line to print from left to right.

Escape Sequence:

Hexadecimal:

ESC

1B 3C

Unidirectional Mode

ESC U n

Selects unidirectional mode for n=1, or bidirectional mode for n=0. Printing is

normally bidirectional. Unidirectional printing provides more accurate positioning,

but causes lower throughput.

Example: The following escape sequence will force unidirectional printing.

Escape Sequence:

Hexadecimal:

ESC

1B 55 31

Reset

ESC @

Deletes all data on the current line and initializes the printer to the default settings for

the current form.

Restores the default horizontal tab stops. Default tab stops are set at every eighth

column, i.e. column 8, 16, 24, 32, 40, etc.

Resets top of form to the current position, so it is wise to be at top of form before

performing this reset. Issuing a form feed will guarantee this.

See the appendix on Printer Reset Conditions for more information.

Escape Sequence:

Hexadecimal:

ESC @

1B 40

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Epson FX Emulation

Forms and Tractors

The FormsPro 4503 contains three sets of paper tractors (front, center, and rear). It is

possible, via software, to change to a different set of tractors and continue printing.

You may change to a different set of tractors by selecting a different form. The

"Path:" value in the "Setup: FORM" menu specifies "Front", "Center", or "Rear" for

each form that is defined. When a form is selected, the associated set of tractors is

also automatically selected.

Load Form

ESC EM n

Causes the current line to be printed, and then loads paper and form parameters for

form n. 0³ n³ 2. If form n is already loaded, this sequence is ignored. If not, the

current form will be unloaded, the parameters for form n will be selected, and the

printer will go offline to wait for the operator to install the new form and place the

printer back online. In the FormsPro 4503 the same happens unless selecting form n

also selects a different paper path. In that case, the current form is unloaded, the

tractors are moved to engage the new path, the new form is loaded, and printing may

continue.

The printer will not unload the current form if a previously printed form has not been

torn off. In this case, the printer will go offline, sound the bell, and display the

message "Tear Off Paper". When an operator tears off the paper and places the

printer back online, the printer will unload the current form and continue.

If the printer is unable to load the new form, it will sound the bell and display the

message "No Paper to Load". A "Paper Out" error will occur and the printer will go

offline to wait for an operator to clear the error.

Example: The following escape sequence will load form 2.

Escape Sequence:

Hexadecimal:

ESC EM

1B 19 32

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Epson FX Emulation

Emulations

Select Software Interface n

ESC ESC n

Selects the software interface n according to the table below.

Software Interface

Test (reserved for factory use)

ANSI X3.64 Emulation

Epson FX Emulation

Bar Code Mode (optional)

IBM Proprinter Emulation

DEC LA120 Emulation

TTY Emulation

Printek Emulation

Previously Selected Emulation

Default Emulation

Overrides the "Mode:" value in the "Setup: INTERFACE" menu.

BarberPole" and "Mode: Hex Dump" cannot be overridden.

"Mode:

A numeric value for n may be specified in two different ways, with equivalent results:

a single byte with a value of 00 to 07 hex, or a single printable ASCII character "0" to

"7" (30 to 37 hex).

If more than one emulation has been selected, ESC ESC ? will return to the

previously selected emulation. This is particularly useful when the previous

emulation is unknown. Please beware that the memory (stack) is only one level deep.

ESC ESC @ will return to the default emulation, as specified by the "Mode:" value in

the "Setup: INTERFACE" menu.

This chapter describes Epson FX emulation. If a different interface is selected, the

control codes and escape sequences described in this chapter will no longer be

applicable.

Example: The following escape sequences will select Printek emulation, load form

one, and then return to the previous emulation.

Escape Sequence:

Hexadecimal:

ESC ESC

ESC

ESC ESC

1B 1B 07 1B 4C 01 1B 1B 3F

Page 3-29

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Epson FX Emulation

Control Codes and Escape Sequences

Sorted Alphabetically

BEL

Bell

Backspace

CAN

Cancel Line

DC2

DC3

Carriage Return

Cancel Condensed Mode

Deselect Printer

DC4

DEL

Cancel Double-Wide Mode (one line)

Delete Character

ESC ! n

ESC #

ESC * m n1 n2 data

ESC - n

ESC 0

Master Print Mode Select

Cancel MSB Control

m DPI Graphics

Underline Mode

Select 8 LPI

ESC 1

ESC 2

Set Line Spacing to 7/72"

Select 6 LPI

ESC 3 n

ESC 4

Set Line Spacing to n/216"

Select Italic Mode

ESC 5

Cancel Italic Mode

ESC 6

ESC 7

ESC <

ESC =

Enable Printing of High Symbols

Disable Printing of High Symbols

Unidirectional Mode (one line)

Set MSB to 0

ESC >

Set MSB to 1

ESC @

ESC A n

ESC B n1 n2 ... nx NUL

ESC C NUL n

ESC C n

ESC D n1 n2 ... nx NUL

ESC E

ESC EM n

ESC ESC n

ESC F

Reset

Set Line Spacing to n/72"

Set Vertical Tab Stops

Set Form Length in Inches

Set Form Length in Lines

Set Horizontal Tab Stops

Select Emphasized Mode

Load Form

Select Software Interface n

Cancel Emphasized Mode

Select Double-Strike Mode

Cancel Double-Strike Mode

Printing of Low Symbols

Variable Distance Line Feed

ESC G

ESC H

ESC I n

ESC J n

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Epson FX Emulation

ESC K n1 n2 data

ESC L n1 n2 data

ESC M

60 DPI Graphics

120 DPI Graphics

Select 12 CPI

ESC N n

ESC O

ESC P

Set Perforation Skip

Cancel Perforation Skip

Select 10 CPI

ESC Q n

ESC R n

ESC S n

ESC SI

ESC SO

ESC T

ESC U n

ESC W n

ESC Y n1 n2 data

ESC Z n1 n2 data

ESC g

Set Right Margin

Select International Character Set

Select Subscript or Superscript Mode

Select Condensed Mode

Select Double-Wide Mode (one line)

Cancel Subscript and Superscript Mode

Unidirectional Mode

Double-Wide Mode

High Speed 120 DPI Graphics

High Speed 240 DPI Graphics

Select 15 CPI

ESC j n

ESC k n

ESC l n

ESC w n

ESC x n

ETX

Variable Distance Reverse Line Feed

Select Font

Set Left Margin

Double-High Mode

Select Draft or Letter Quality

End of Text

Form Feed

Horizontal Tab

Line Feed

Select Condensed Mode

Select Double-Wide Mode (one line)

Vertical Tab

XOFF

Deselect Printer

Page 3-31

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IBM PROPRINTER EMULATION

Introduction

This section describes the control codes and escape sequences comprising IBM

Proprinter emulation. This emulation may be selected by specifying "Mode:

Proprinter" in the "Setup: INTERFACE" menu, or via software with the ESC ESC 4