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OF2 UI Touch Screen Failure RAP
To solve UI touch screen problems when the machine has power but either the display is miss-
ing, is too dark or the UI screen responds incorrectly or does not refresh.
Initial Actions
•
Go to the Customer Tools application and adjust the backlight output level.
•
Refer to REP 2.1 to access the user interface assembly.
•
Figure 1. Check and re-seat P/J3, P/J6, P/J81 and P/J130 on the user interface PWB.
•
Enter dC305 UI test. Perform the relevant tests to check the operation of the UI.
•
If the problem occurs while entering or exiting sleep mode, go to 01K Sleep Mode RAP.
Procedure
Go to Flag 1. +3.3V is available at P/J130 between pin 1 and 2.
Y
N
Check the harness and wiring, GP 7. Check between P/J130 on the UI PWB and P/J133
on the power distribution PWB. The wiring is good.
Y
N
Repair the wiring. REP 1.2.
Refer to:
•
01D +3.3V Distribution RAP.
•
01B 0V Distribution RAP.
Go to Flag 2. +12V is available at P/J130 between pin 3 and 4.
Y
N
Check the harness and wiring, GP 7. Check between P/J130 on the UI PWB and P/J133
on the power distribution PWB. The wiring is good.
Y
N
Repair the wiring. REP 1.2.
Refer to:
•
01F+12V Distribution RAP.
•
01B 0V Distribution RAP.
Go to Flag 3. Check the harness and wiring, GP 7. Check between PJ104 and PJ130. Refer to
the information that follows:
•
(32-55 ppm) P/J104 or (65-87 ppm) P/J104, Image Processing PWB.
•
P/J130, User Interface PWB.
The wiring is good.
Y
N
Repair the wiring, REP 1.2.
Go to Flag 4. Check the harness and wiring, GP 7. Check between PJ103 and PJ81. Refer to
the information that follows:
•
(32-55 ppm) P/J103 or (65-87 ppm) P/J103, Image Processing PWB.
•
P/J81, User Interface PWB.
WorkCentre 5687 Family
Before installing a new User Interface Assembly, determine the current software level (GP 4).
The software on the new User Interface Assembly may not be compatible. Upgrade or down-
grade the software set to suit the customer machine requirements using the Customer Admin-
istration Tool (CAT).
Install new components as necessary:
•
User interface PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6.
•
User interface touch screen, (32-55 ppm) PL 2.15 Item 6 or (65-87 ppm) PL 2.10 Item 5.
If the problem continues, install a new image processor PWB, (32-55 ppm) PL 3.20 Item 3, (65-
87 ppm) PL 3.10 Item 3.
P/J6
UI touch screen
Figure 1 Component location
August 2007
2-737
CAUTION
P/J3
P/J81
P/J130
USB port
User interface
PWB
Status Indicator RAPs
OF2
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