IBM Computer Keyboard 4685 K03 User Manual

IBM 4685-K03 POS Keyboard  
Installation, Operation, and Maintenance Guide  
P/N 29R0777  
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Introduction  
This manual provides an overview, installation instructions, operating guidelines,  
instructions on how to replace the keys, and general maintenance information for the  
IBM™ 4685-K03 POS Keyboard.  
In this manual, the IBM 4685-K03 POS Keyboard may be referred to as the 4685-K03 or  
as the keyboard. The IBM 4800 POS terminal may be referred to as the POS terminal or  
as the terminal.  
This manual is organized as follows:  
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Chapter 1, “An overview of the IBM 4685-K03 POS Keyboard” provides an overview  
of this product and gives the names of the parts.  
Chapter 2, “Installing the keyboard” provides information about installing the  
keyboard in the IBM 4800 POS terminal.  
Chapter 3, “Operating the keyboard” provides information about operating  
procedures for the keyboard and the functions of each part.  
Chapter 4, “Replacing the keys” provides information about exchange procedures  
for the keys and for the unused key covers.  
Chapter 5, “Maintenance of the keyboard” provides information about  
problem-solving strategies and part replacement procedures. This section is for  
service personnel who specialize in maintaining the POS terminal.  
_________________________________________________________________________________________  
Who should use this guide  
This manual is to be used by service personnel who install the IBM 4685-K03 POS  
Keyboard and by customers. Information for service engineers who specialize in the POS  
terminal is included in Chapter 5, “Maintenance of the keyboard”.  
_________________________________________________________________  
End of life disposal  
This unit must be recycled or discarded according to applicable local and national  
regulations. IBM encourages owners of information technology (IT) equipment to  
responsibly recycle their equipment when it is no longer needed. IBM offers a variety of  
product return programs and services in various countries to assist equipment owners in  
recycling their IT products. Information on IBM product recycling offerings can be found on  
Introduction  
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_________________________________________________________________  
Notices  
_________________________________________________________________________________________  
Electronic Emission Notices  
Japanese Voluntary Control Council for Interference (VCCI) Statement  
This product is Class A Information Technology Equipment and conforms to the standards  
set by the Voluntary Control Council for Interference by Technology Equipment (VCCI). In a  
domestic environment this product may cause radio interference, in which case the user  
may be required to take adequate countermeasures.  
この装置は、情報処理装置等電波障害自主規制協議会(VCCI)の基準に基づくクラスA情報技術装  
置です。この装置を家庭環境で使用すると電波妨害を引き起こすことがあります。この場合には使用者  
が適切な対策を講ずるよう要求されることがあります。  
Korean Communications Statement  
Please note that this device has been approved for business purposes with regard to  
electromagnetic interference. If you find this is not suitable for your use, you may exchange  
it for a non-business purpose device.  
_________________________________________________________________________________________  
Electrostatic Discharge (ESD)  
Attention: ESD damage can occur when there is a difference in charge between the part,  
the product, and the service person. No damage will occur if the service person and the  
part being installed are at the same charge level.  
ESD Damage Prevention  
Anytime a service action involves physical contact with logic cards, modules, back-panel  
pins, or other ESD-sensitive (ESDS) parts, the service person must be connected to an  
ESD common ground point on the product through an ESD wrist strap and cord. The ESD  
ground clip can be attached to any frame ground, ground braid, green wire ground, or the  
round ground prong on the AC power plug. Coax or connector external shells can also be  
used.  
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Handling Removed Cards  
Logic cards removed from a product should be placed in ESD protective containers. No  
other object should be allowed inside the ESD container with the logic card. Attach tags or  
reports that must accompany the card to the outside of the container.  
_________________________________________________________________  
Related Publications  
For related information, please see the following websites:  
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Safety Information for Users  
Safety Instructions  
vii  
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Safety Information for service personnel  
Before you begin to install or service this product, please read the following safety  
information.  
Note: In these notices, the term, qualified service personnel, refers to a person with the  
skills to perform a PC upgrade.  
_________________________________________________________________________________________  
Safety Information for Japan  
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Safety Instructions  
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_________________________________________________________________________________________  
Safety Information for Korea  
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Safety Instructions  
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Contents  
Contents  
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Chapter 1 “An overview of the IBM 4685-K03 POS Keyboard”  
This chapter provides an overview of the IBM 4685-K03 POS Keyboard, explains how to  
confirm the identification of the product, gives the names of the parts, and describes the key  
layout at time of shipment.  
_________________________________________________________________________________________  
An overview  
The IBM 4685-K03 POS keyboard is equipped with an MSR (Magnetic Stripe Reader). The  
4685-K03 keyboard is to be connected to an IBM 4800 POS terminal. This keyboard  
connects using the IBM RS-485 or powered USB, but using both interfaces at the same  
time is not supported.  
Connecting two different interface cables at the same time may  
damage the keyboard.  
The primary hardware configuration for the 4685-K03 is as follows:  
4685-K03  
Key matrix  
12 rows × 7 columns  
54 pieces  
At shipment  
Single keys  
Double keys  
4 pieces  
MSR  
Read only  
Mode key  
Interfaces  
4 positions  
RS-485, Powered USB  
Chapter1 Outline for 4685-K03 POS Keyboard  
1
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_________________________________________________________________________________________  
Confirmation of product  
Confirm the following parts are included.  
4685-K03 Model  
Mode keys Label 1  
4685-K03 Keyboard  
Mode keys  
Operator Key (“OP”) 2 pieces  
Manager Key (“MGR”) 2 pieces  
Keys 1 set  
(Single keys: 54 pieces  
Double keys: 4 pieces)  
Removal tool for key caps  
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_________________________________________________________________________________________  
Parts name  
4685-K03 model  
Mode switch  
System keys  
S1  
S2  
MSR  
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_________________________________________________________________________________________  
Key layout at shipment time  
4685-K03 model  
Chapter 1 Outline for IBM 4685-K02 POS Keyboard  
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Chapter 2 “Installing the keyboard”  
This section explains how the Keyboard is installed on the IBM 4800 POS terminal.  
_________________________________________________________________________________________  
Installation for IBM 4800 POS terminal  
This section explains how Keyboard is installed on the IBM 4800 POS terminal (also referred to  
as the system device).  
1. Connect the keyboard cable 5 to the keyboard.  
Notes:  
a. Turning the keyboard over and looking from the front side, connect the keyboard  
cable 5 to the right side socket of the two connections.  
Connector  
Keyboard cable 5  
b. If also installing the video display, it should be installed before going on to Step 2. After  
the display is connected, continue with Step 2, “With the video display”. (See the  
instruction manual that comes with the IBM 4800 POS terminal for more information  
about how to install the video display.)  
2. Plug the other connector on the keyboard cable into the system device as shown in the  
following figure, routing it through the back side of the system device.  
Chapter 2 Installing the keyboard  
5
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With the video display  
Without the video display  
3. Put the keyboard in place on the system device.  
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4. Connect the keyboard cable to the system device. (See the instruction manual that comes  
with the IBM 4800 POS terminal for more information about how to connect the keyboard  
cable to the system device.)  
Chapter 2 Installing the keyboard  
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Chapter 3 “Operating the keyboard”  
This chapter explains the operating procedures and the functions of the parts.  
_________________________________________________________________________________________  
System keys  
The system keys are used to input system functions, which are run under the control of a  
program. Regarding the usage of these keys, please refer to the operating manual in your  
store or call your system representatives.  
The layout of the system keys is shown in the following chart.  
System keys  
S1  
S2  
_________________________________________________________________________________________  
Volume adjustment  
The volume adjustment adjusts the speaker volume when keys are pressed. To maximize  
the volume, turn the volume adjustment control all the way to the right. To minimize the  
sound, turn it all the way to the left.  
MAX  
MIN  
Chapter 3 Operating the keyboard  
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Notes:  
1. Use your fingers, not a tool, when adjusting the speaker volume.  
2. The volume adjustment control is on the bottom of the keyboard. The speaker volume  
should be set when installing the keyboard on the system device.  
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_________________________________________________________________________________________  
Mode switch  
The key-controlled mode switch is used to select the operating mode of the 4685-K03.  
The mode switch has four positions that are selected with mode keys. Both the operator  
key and manager key will control the switch. A mode key cannot be removed unless the  
current mode is set to “Inactive” or “Operator”.  
4-position mode key  
This key can select two modes: “Inactive,” “Operator.”  
The letter “A” is engraved on this key.  
This key can select all four modes.  
Operator (“OP”) key:  
Manager ‘(”MGR”) key:  
The letter “H” is engraved on this key.  
OPE  
SYS  
MGR  
Operator  
(“OP”) key  
Not  
Manager  
Mode  
SYS  
Meaning  
‘(”MGR”) key  
When setting up items and terminal  
Selectable  
(System) addresses by using the application  
selectable  
Selectable  
Selectable  
program, select this mode.  
Keyboard functions are disabled.  
Selectable  
Selectable  
Selectable  
(Inactive)  
OPE  
Normal operating mode  
(Operator)  
MGR  
The store manager or designated  
Not  
(Manager) person can use this mode for special  
operations, such as canceling a  
selectable  
transaction or changing prices, etc.  
Chapter 3 Operating the keyboard  
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________________________________________________________________________________________  
How to swipe a card through the MSR  
This section explains how to swipe a card through the MSR (magnetic stripe reader).  
1. Hold the card horizontally with the stripe at the bottom and facing away from the  
keyboard.  
2. Position the card at the farther end of the MSR and swipe the card through the slot  
toward the operator with a smooth, steady motion.  
Front (raised embossing) side  
Back side  
_________________________________________________________________________________________  
Daily care  
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Stains on plastic parts should to be wiped off with a soft, dry cloth. Wiping with a wet or  
oily cloth can cause damage to the electronic components or plastic parts.  
Do not use chemicals such as glass cleaners, ammonia, acetone, or ketene. To  
remove ink stains, use a soft cloth with a small amount of a mild detergent.  
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Chapter 3 Operating the keyboard  
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Chapter 4 “Replacing the keys”  
You are free to change the layout of the keys except for the ten keys of the numeric keypad.  
For example, frequently used keys can be made into larger double keys by replacing two  
single keys with one double key.  
This chapter explains how to replace single keys, double keys, quadruple keys, and  
unused key covers on the keyboard.  
Before replacing keys, put the POS terminal into standby mode  
(system lamp off) by pushing the standby button.  
_________________________________________________________________________________________  
Replacing a single key  
Removal  
1. Pinch the key cap lightly with the removal tool,  
Removal tool  
and pull it up, rocking it to the left and right.  
Key cap  
2. Pull out the key in the same way as the key cap.  
Be careful not to bend the spring attached to the  
key.  
Key  
Spring  
Chapter 4 Replacing the key  
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3. Remove the black rubber ring.  
Rubber ring (Black)  
Attaching  
1. Insert the black rubber ring. Insert the cup with the  
Rubber ring (Black)  
larger opening facing up.  
2. Insert the key. Be careful not to bend the spring  
attached to the key.  
Key  
Spring  
3. Attach the key.  
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_________________________________________________________________________________________  
Replacing a double key  
Removal  
1. Pull off the key cap with the removal tool. (See  
“Replacing a single key” on page 17.)  
2. Pinch the key lightly with the removal tool, and  
Removal tool  
pull it out. Be careful not to bend the springs  
attached to the key.  
Key  
Spring  
3. Remove the two rubber rings (black and brown).  
Rubber rings  
(Brown)  
(Black)  
4. Remove the key guide by using the opposite end  
of the removal tool.  
Key guide  
Chapter 4 Replacing the key  
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Attaching  
1. Insert the key guide into the hole that will  
not use a scan code.  
Key guide  
2. Insert the brown rubber ring around the  
hole where the key guide was inserted.  
Insert the black rubber ring at the location  
without the key guide.  
(Brown)  
(Black)  
3. Insert the key. Be careful not to bend the  
springs attached to the key.  
Key  
Spring  
4. Attach the key.  
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_________________________________________________________________________________________  
Replacing a quadruple key  
Removal  
The removal procedure for quadruple keys is the same as for single or double keys.  
1. Pull off the key cap with the removal tool.  
2. Pull off the key with the removal tool. Be careful not to bend the springs attached to the  
key.  
3. Remove the two black rubber rings.  
4. Remove the two key guides with the opposite end of the removal tool.  
Attaching  
Note: Make sure the smaller keys, the rubber rings,  
and the key guides are removed from the place  
where the quadruple key will be attached.  
1.  
Find the pair of diagonally opposite holes that will  
not need scan codes. Insert two key guides in  
those holes.  
Key guides  
2.  
Place the two black rubber rings around the key  
guides.  
Rubber dome (black)  
Chapter 4 Replacing the key  
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3. Make sure the scan code leg is aligned with the  
proper hole, and insert the quadruple key. Be  
careful not to bend the springs attached to the key.  
Key  
Spring  
4. Label the key cap. Attach the key cap on top of the  
key.  
_________________________________________________________________________________________  
Replacing an unused key cover  
Removal  
1. Pinch the unused key cover with the removal tool.  
Removal tool  
Pull up on the unused key cover.  
Key cover  
Attaching  
Note: Make sure the keys, rubber rings, and key  
guides are all removed from the place where the  
Unused key  
unused key cover will be inserter.  
cover  
1. Insert the unused key cover as shown in the  
figure.  
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Chapter 5 “Maintenance of the keyboard”  
This section is provided for the maintainer of the IBM 4685-K03 POS keyboard.  
Be sure to read “Safety instructions” on page and “Safety inspection guide” on page ⅶ  
before working on this product.  
_________________________________________________________________________________________  
If problems occur  
This section explains how to handle problems encountered when using the IBM 4685-K03 keyboard.  
Symptom  
There is no response to Cause 1 Status of the mode key is “Inactive”.  
any of the keyboard keys. Action 1 Select a mode other than “Inactive”. See “Mode switch” on page 13 for  
Causes and actions  
more information.  
Cause 2 The setup for the operating system (OS) had problems.  
Action 2 Confirm the validity of the keyboard type as set up for the OS. Check  
the OS documentation for more information.  
Cause 3 The keyboard cable, the top cover assembly, or the control card for  
the keyboard has problems.  
Cause 3 Replace the keyboard cable, then the top cover assembly, and then  
the control card (until the faulty part is identified).  
There is no response to Cause  
The key cap, the top cover assembly or the control card has troubles.  
one or several keyboard Actions a. Identify the disabled keys by using the diagnostic program or the  
keys.  
self-diagnostic test. See “Diagnostic tests” on page 20 for more  
information.  
b. Replace the key, the unused key cover over the non-functioning  
keys, or the control card. For more about replacing keys, see  
Chapter 4 “Replacing a single key” on page 13. For more about  
replacing unused key covers, see “Replacing an unused key cover”  
on page 18.  
The mode cannot be Cause  
The mode key or the control card has problems.  
changed with a mode key. Action 1 Check the status of the mode key switches using the diagnostic  
program or the self-diagnostic test. See “Diagnostic tests” on page 20  
for more information.  
Action 2 If the status is still unchanged by Action 1, replace the mode key or the  
control card.  
Chapter 5 Maintenance of the keyboard  
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Symptom  
The MSR is unable to read Cause 1 There MSR reading head needs to be cleaned.  
cards. Action 1 Clean the MSR reading head by using the MSR cleaning card in the  
Causes and actions  
hardware service kit (P/N: 48G9045).  
Cause 2 The MSR or the control card has a problem.  
Action 2 Check if the MSR is functional using the diagnostic program or the  
self-diagnostic test. See “Diagnostic test” on page 20 for more  
information.  
Action 3 If the condition is still unchanged by Action 2, replace the MSR or the  
control card.  
The keyboard cannot be Cause  
switched to the online Action  
mode.  
The keyboard has problems or the OS settings are incorrect.  
a. Check that the keyboard is recognized by the diagnostic program.  
See “Diagnostic test” on page 20 for more information.  
b. Make sure the keyboard type settings for the OS are valid. See the  
OS documentation for more information.  
The mode key is lost.  
Contact your dealer or IBM service representative.  
If your problems are not resolved by these procedures, please contact an IBM service engineer.  
_________________________________________________________________________________________  
Diagnostic tests  
There are two types of diagnostic tests for 4685-K03. The testing method is different depending on POS terminals  
connected to the keyboard.  
1. Self-diagnostic tests  
2. 4800 Diagnostic program  
For more about the 4800 Diagnostic program, please see the manual. The manual is available at:  
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Self-diagnostic tests  
Self-diagnostic tests are available for checking the functions of the keyboard. During the diagnostic tests, the  
keyboard has power, but cannot communicate with the terminal. The self-diagnostic tests can be activated at any  
time, unless the mode key position is “Inactive”.  
How to enter the self-diagnostic tests  
To enter the self-diagnostic tests:  
1. Within 2 seconds after turning the power on, press the top left key twice.  
2. The keyboard should respond with six beeps, with the frequency increasing from low to high.  
3. After one more beep, the keyboard is ready for the self-diagnostic tests.  
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Mode switch test (Self-diagnostic test)  
Switching the mode key switch to a new position should cause the speaker to beep once.  
MSR Test (Self-diagnostic test)  
If a magnetic card is scanned through the MSR, the speaker should beep twice.  
Key Input Test (Self-diagnostic test)  
Pressing any key should cause the speaker to beep twice.  
Note: This test does not work if the position of the mode key is pointing at “Inactive”. The mode key switch must be  
in one of the other positions.  
How to terminate the self-diagnostic tests  
To terminate the self-diagnostic tests, turn off the POS terminal by pressing the standby switch.  
Chapter 5 Maintenance of the keyboard  
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_________________________________________________________________________________________  
Removing and replacing parts  
Replacing the rear cover  
1. Remove the 7 screws labeled 1. Remove the rear cover 2.  
Reverse the procedure to reassemble.  
1
2
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Replacing the control card  
1. Remove the rear cover. See “Replacing the rear cover” on page 22.  
2. Remove the screw labeled 2 which holds the ground cable 1 and the cover.  
3. Open the cover. Disconnect the cables of two sheets for the membrane 4 and the other connectors from the  
control card 3.  
4. Remove the four screws labeled 5. Remove the control card 3.  
Reverse the procedure to reassemble.  
5
2
4
6
3
1
Dip Switch Setting  
Before you replace the control card, please check the Dip Switch (S1) 6 setting on the control card.  
On  
Off  
1
2
3
4
POS Keyboard Model  
4685-K03  
4685-K02  
1
Off  
Off  
2
On  
Off  
3
On  
Off  
4
Off  
On  
Replacing the MSR  
1. Remove the rear cover. See “Replacing the rear cover” on page 22.  
2. Remove the two screws labeled 2 which hold the MSR 1 in place.  
3. Disconnect the cable leading to the control card. Remove the MSR 1.  
Reverse the procedure to reassemble.  
Chapter 5 Maintenance of the keyboard  
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2
1
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Replacing the mode key  
1. Detach the guide label. Remove the two screws labeled 1  
2. Remove the rear cover. See “Replacing the rear cover” on page 22.  
3. Disconnect the cable leading to the control card. Remove the mode key 2.  
Reverse the procedure to reassemble. Use the new guide label attached to the FRU.  
1
2
Replacing the speaker  
1. Remove the rear cover. See “Replacing the rear cover” on page 22.  
2. Open the two latches labeled 1 that hold the speaker in place.  
3. Disconnect the cable labeled 2 from the control card. Remove the speaker3.  
Reverse the procedure to reassemble.  
Replacing the top cover assembly  
1. Remove the rear cover. See “Replacing the rear cover” on page 22.  
2. Remove the control card. See “Replacing the control card” on page 23.  
3. Remove the speaker. See “Replacing the speaker.”  
4. Remove the MSR. See “Replacing the MSR” on page 23.  
5. Remove the mode key. See “Replacing the mode key” on this page.  
6. Use the new guide label attached to the FRU.  
7. Replace the key labels.  
Reverse the procedure to reassemble.  
Chapter 5 Maintenance of the keyboard  
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_________________________________________________________________________________________  
Bill of material  
Assembly: Keyboard  
3
6
4
3
5
2
1
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ASM-Index  
Part Number  
Unit  
Description  
POS Keyboard Unit, 4685-K03  
29R0782  
1
29R0784  
29R0786  
29R0783  
29R0785  
29R0787  
29R0788  
1
1
1
1
1
1
z Bottom Cover Asm  
2
3
4
5
6
z Control Card Asm  
z Top Cover, Asm  
z Magnetic Stripe Reader (MSR) with MSR Cable  
z 4 position Mode Key Switch Asm with Cable  
z Speaker Asm  
07N1027  
07N1032  
07N1033  
48G9045  
z Ten Key for 4685-K02/K03  
z Key 1x1 (5 sets)  
z Key 1x2 (5 sets)  
z Hardware Service Kit  
— MSR Cleaning Card  
— MSR Test Card  
29R0789  
z Dummy Cover 1x5  
Chapter 5 Maintenance of the keyboard  
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_________________________________________________________________________________________  
Appendix A. Accessory unit  
You should order accessory units from an IBM sales representative or your dealer.  
Accessory units  
Item number Name  
Content  
Key (Single)  
Key cap (Single)  
Key rubber ring 50 g  
Key (Double)  
Key cap (Double)  
Key black rubber ring 50 g  
Quantity  
10 sets  
10 sets  
10 sets  
10 sets  
10 sets  
10 sets  
3891  
Key (Single)  
3892  
Key (Double)  
Key brown rubber ring 20 g 10 sets  
Key guide  
10 sets  
10 sets  
10 sets  
20 sets  
20 sets  
10 sets  
5 sets  
2 pieces  
2 pieces  
1 Piece  
1 Piece  
1 Piece  
1 Piece  
1 Piece  
1 Piece  
1 Piece  
3893  
Key (Quadruple)  
Key (Quadruple)  
Key cap (Quadruple)  
Key black rubber ring 50 g  
Key guide  
Key cover (Single)  
Key cover (1x5)  
Manager key  
Operator key  
MSR Cleaning Card  
JIS-I/II Test Card  
0.48m  
3894  
3895  
3896  
Key cover (Single)  
Key cover (1x5)  
Mode key  
3897  
H/W Service Kit  
3325  
3326  
3327  
3290  
3285  
KBD SIO Cable-Short  
KBD SIO Cable-Long  
KBD SIO Cable-Medium  
KBD USB Cable-Short  
KBD USB Cable-Long  
3.8m  
1.8m  
0.5m  
3.8m  
Appendix B. Field replaceable units  
31  
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32  
IBM 4685-K03 Installation, Operation and Maintenance Guide  
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Appendix B. Product specifications  
Dimensions  
4685-K03  
Width  
Depth  
Height  
Weight  
365 mm  
170 mm  
50 mm  
1.1 Kg  
Consumption current  
Peak:  
400 mA  
100 mA  
Normal:  
Environment condition  
Max wet bulb  
temperature()  
Condition  
Temperature()  
Humidity (%)  
8 90  
Operating  
Standby  
Storage  
0 +40  
0 +43  
10 +60  
40 +60  
+23  
+27  
+29  
+29  
8 90  
5 95  
Shipping  
5 100  
_________________________________________________________________________________________  
MSR readable cards  
Compatible MSR cards are described in the following chart.  
ISO/JIS I  
Card specifications  
JIS Ⅱ  
Track 2  
75 BPI  
Record density  
Record capacity  
Recording method  
Read/Write  
210 BPI (Bit Per Inch)  
72 digits (8 bits)  
FM  
40 digits (5 bits)  
FM  
Readable  
Readable  
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Printed in Japan  
IBM Japan, Ltd.  
106-8711 Roppongi 3-2-12, Minato-ku, Tokyo  
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