Xerox WorkCentre 3550 - REP 2.2 UI PWB and Touch Screen (3635)

April 2010
4-6
Phaser 3635MFP/WorkCentre 3550
REP 2.2
Repairs and Adjustments
REP 2.2 UI PWB and Touch Screen (3635)
Parts List on PL 2.10
Removal
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the user interface assembly, REP 2.1.
CAUTION
Take care not to damage the ribbon cables when removing the UI PWB.
2. Remove the UI PWB from the user interface assembly, Figure 1.
3. If necessary, remove the touch screen, PL 2.10 Item 25, and the touch screen housing,
PL 2.10 Item 26, from the user interface assembly.
Figure 1 UI PWB removal
Replacement
1. Replacement is the reverse of the removal procedure.
2
Carefully lift the clamp to
release each ribbon cable.
1
Disconnect CN3
and CN4 from the
UI PWB.
3
Remove 4 screws marked A,
then the UI PWB.
Ribbon cables