Xerox WorkCentre 3550 - REP 2.1 User Interface Assembly (3635)

April 2010
4-5
Phaser 3635MFP/WorkCentre 3550
REP 2.1
Repairs and Adjustments
REP 2.1 User Interface Assembly (3635)
Parts List on PL 2.10
Removal
NOTE: This procedure should only be performed on the 3635. For the 3550 procedure, go to
REP 2.3.
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 front cover panel, Figure 1.
Figure 1 Front cover panel removal
CAUTION
Take care to identify the connections to the UI PWB. The 3 pin connections are interchange-
able.
• CN2, 3 wires: 1 black, 1 white, 1 red.
• CN11, 4 wires: 1 black, 3 gray.
2. Remove the UI assembly, Figure 2.
Figure 2 UI assembly removal
Replacement
1. If a new user interface assembly is to be installed, check if the front cover panel and UI
housing of the old user interface assembly have any additional labels attached, e.g lan
-
guage specific labels. If necessary substitute the new front cover panel and UI housing
with those of the old user interface assembly.
2. Replacement is the reverse of the removal procedure.
3. Check the alignment of the UI icons and menu buttons on the touch screen. If necessary
perform
GP 12 User Interface Tests Description.
4. If the machine has a communication fault after the replacement of the user interface
assembly, upgrade the firmware,
GP 6 Firmware Upgrade.
1
Carefully lift off the front
cover panel.
1
Remove 3 screws.
2
Release the clip underneath the UI
assembly, then lift off the UI assembly.
3
Disconnect CN1, CN2 and CN11 from
the UI PWB.