D e s k t o p
T h e r m a l P r in t e r
U s e r ’s M a n u a l
2 7 2 2
2 7 4 2
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User’s Manual No. 980344-001 Rev. A
©2001 Zebra Technologies Corporation
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TABLE OF CONTENTS
980344-001 Rev.A
iii
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General Cautions and Warnings
This page describes general safety and maintenance warnings and cautions for the printer and
are referenced throughout the manual.
Warning - Shock Hazard
The printer should never be operated in a location where it can
get wet. P ersonal injury could result.
Warning - Static Discharge
The discharge of electrostatic energy that accumulates on the
surface of the human body or other surfaces can damage or
destroy the print head or electronic components used in this
device. DO NOT TOUCH the print head or the electronic
components under the print head assembly.
Caution - Printer Setup & Handling
1 )Wh e n in s t a llin g o r m o d ifyin g t h e p r in t e r s e t u p o r
configuration, ALWAYS TURN P OWER OFF Before:
A) Connecting any cables.
B) P erforming any cleaning or maintenance operations.
C) Moving the printer.
Media Warning
Always use high quality approved labels and tags. If adhesive
backed labels are used that DO NOT lay flat on the backing
liner, the exposed edges may stick to the label guides and
rollers inside the printer, causing the label to peel off from the
liner and jam the printer.
Media Reload Hint
If you should run out of labels while printing, DO NOT turn the
power switch OFF (0) while reloading or data loss may occur.
The printer will automatically resume printing when a new label
or ribbon roll is loaded.
Print Quality Tip
P rint density (darkness) is affected by the heat energy (density
setting) applied and by the print speed. Changing both P rint
Speed and Density may be required to achieve the desired
results.
iv
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Installation and Operation
1
Installation and Operation
This section provides information on the instal-
lation and operation of the printer.
The printer is a low cost, desktop thermal bar
code printer. LP models are direct thermal. TLP
modes are thermal transfer and direct thermal
printers. This family of printers is specifically de-
signed for printing labels, tags or continuous re-
ceipts (with or without bar codes) from a
DOS™, Windows™or ASCII-based compatible
computer.
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1
Installation and Operation
Installation The following steps will guide you through the
installation of the printer, media and software.
Step 1 - Attach Power
Power OFF
O
Check Power
Module Voltage
Plug Into
Power Module
SHOCK HAZARD WARNING
See page iv
4
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Installation and Operation
Before You Load You must remove the outside length of media
Media in the (that is, one, full revolution of labels and any
liner). When you remove this part of the media,
you remove the oils, dust, and adhesives that
contaminate it. Tape or adhesive holds the
loose end and the outside length of media
becomes contaminated when handled or
stored.
Printer
Labels
Remove all labels
that are held by
adhesives or tape
MOVIE
Tag Stock
Detach both ends of
the bottom tag
You must avoid dragging adhesive or dirty
media between the print head and platen. Such
an occurrence damages the print head and is
not covered under your warranty. Using clean
media prevents damage and reduces wear on
the print head and platen.
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Installation and Operation
Step 3 - Load Media (cont.)
Media
2722
Install Roll
2742 / 3742
Install Roll
O U T
O U T
OUT
OUT
MOVIE
O U T
O U T
OUT
OUT
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Installation and Operation
Step 3 - Load Media (cont.)
Thread the Media
MOVIE
Seat Media Roll
MOVIE
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Installation and Operation
Step 3 - Load Media (cont.)
Close Guides
Close Guides
2742 / 3742
MOVIE
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Installation and Operation
Step 3 - Load Media (cont.)
Close Print Head
MOVIE
Close Cover
MOVIE
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Installation and Operation
Step 3 - Load Media (cont.)
Power ON
O
If the indicator fails to light, refer to
Appendix A - Trouble Shooting.
Press FEED Button
Run the AutoSense routine.
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Installation and Operation
Step 4 - AutoSense
MOVIE
Power OFF
Press & Hold
FEED Button
OFF
HOLD
O
RELEASE
Power ON
Release FEED Button
ON
O
Print Status
(Dump Mode Printout)
Sample: DUMP Mode
Printout
2 UKQ1813 4.00
Serial port : 96,N,8,1
Image buffer size:245K
Fmem:000,0K,019.9K avl
Gmem:000K,0241K avl
Emem:000K,0241K avl
I8,0,001 rY
S8 D12 R032,000 ZT UN
q0450 Q0800,034
Option:D
Press FEED Button
PRESS
11 12 13
now in DUMP
Step 5 - Install Software
Computer ON
Insert Printer
CD ROM
Start your computer and follow the installation
instructions on the compact disc (CD).
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Installation and Operation
Label Dispenser Printers with an optional label taken sensor can
dispense a single peeled label. Remove the label
to automatically print the next label.
MOVIE
Expose
15CM of Labels
(2722 Shown)
Peel
Exposed Labels
Cut End of
Exposed Liner
(2722 Shown)
Pull Print Head
Release Lever
(2722 Shown)
Insert Liner
Under Peel Bar
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Installation and Operation
Label Dispense Option
Insert Liner
(2742 Shown)
2
P
L
T
Pull Liner Through
(2742 Shown)
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Installation and Operation
Label Dispense Option
Close Print Head
Close Cover
Push to Open
Label Taken Sensor
2722
P
L
T
Press FEED Button
Remove Presented
Label
2722
P
L
T
980344-001 Rev.A
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Installation and Operation
Thermal Transfer Ribbon Loading
Open Print Head
Load Ribbon Core
Load Transfer Ribbon
Start Ribbon
Open Print Head
(Rear View)
Pull Ribbon Around
Print Head
Close
980344-001 Rev.A
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Installation and Operation
20
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Appendix A - Troubleshooting
Problem
Solution or Reason
POWER indicator does not
light GREEN when power
switch is turned to ON (1)
position.
1. Check power connections from A.C.
outlet to power supply to printer.
POWER indicator lights
GREEN, but printer will not
print.
1. Check interface cable connections from
computer to printer.
1. Verify that the labels are the correct
type (direct thermal).
Printer appears to be
working (media is being fed
2. Check that the roll is loaded with the di-
rect thermal side facing up.
out), but nothing is printed. 3. Clean the print head with cleaning pen.
4. For TLP models, check that the ribbon is
properly installed.
Printing is faded or poor
quality.
1. Clean the print head with cleaning pen.
2. Adjust print speed/darkness in software.
1. Perform AutoSense gap sensor
2. Label caught on print head.
3. Print head is not properly latched.
4. Possible software problem. Check the
printer memory configuration. Refer to
the EPL2 Programming manual.
Prints only partial label or
skips a label.
1. Perform AutoSense gap sensor adjust-
ment on page 13.
2. Possible problem with label stock. Use
only approved labels and tags.
Printing stops and POWER
indicator lights ORANGE or 3. Possible label jam.
RED.
4. Insufficient memory for label size. Check
the printer memory configuration.
5. Possible software problem. Refer to the
EPL2 Programming manual.
980344-001 Rev.A
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Printer The printer has flash (non-volatile) memory to
Configuration store printer configuration settings. The settings
are stored in flash memory and are set by
programing, printer drivers or the AutoSense
routine. The settings are shown on the Dump
mode printout or can be reported back to the
host via the serial port.
Settings
The following are the basic settings stored in the
printer:
Print Mode - Direct (OD) or Thermal Transfer (O)
Speed (S)
Density (D) or heat applied
Form (label) length and gap in dots (Q)
Form (label) width in dots (q )
Serial Port (Y)
Margin (R)
Buffer Mode (r)
Options: D
Print Mode is Direct Thermal (OD)
Dump Mode
Printout
(See the U command in
the Programmer’s manual
for details)
980344-001 Rev.A
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Serial Interface The printer’s serial port is configured with the
Communication Y command for the printer. The printer supports
interface data rates from 1200 to 38,400 baud.
See the programmer's manual for details.
Configuration
The printer’s serial port default configuration is:
9600 baud
8 bit data
1 stop bit
No parity
RS-232 Serial The figure below displays the cable wiring re-
Interface Cable quired to use the printer’s serial interface.
Wiring
DB-9
Pin #
1
DB-9
Pin #
1
Host
Printer
N/C
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
+ 5 Volts*
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
TxD
RxD
N/C
GND
RDY
N/C
RDY
N/C
Female DB-9 to Male DB-9
DB-25
Pin #
8
3
2
20
7
6
4
5
22
DB-9
Pin #
1
Host
Printer
+ 5 Volts*
N/C
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
2
3
4
5
6
7
8
9
TxD
RxD
N/C
GND
RDY
N/C
RDY
N/C
Female DB-25 to Male DB-9
*+ 5 volts at 150 mA for external device (e.g. KDU or scanner)
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Parallel Interface The figure below displays the cable wiring
Cable Wiring required to use the printer's Centronics parallel
interface.
DB-25
Pin No.
Centronics
Pin No.
HOST
PRINTER
STROBE
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
ACK/
STROBE
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
ACK/
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
BUSY
BUSY
PAPER ERR.
READY
INIT
ERROR/
N/A
PAPER ERR.
READY
INIT
ERROR/
N/A
N/A
N/A
N/A
+ 5V
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
SIG. GND
Female DB-25 to Male Centronics
(Cable)
+ 5 volts at 300 mA for external device (e.g. PrintServer)
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