April 2010
4-19
Phaser 3635MFP/WorkCentre 3550
REP 6.1, REP 6.2
Repairs and Adjustments
REP 6.1 LSU
Parts List on PL 6.10
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.
WARNING
Avoid exposure to laser beam. Invisible laser radiation.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the DADF, PL 5.10 Item 1.
2. 3635 only. Remove the UI assembly, REP 2.1.
3550 only. Remove the UI assembly, REP 2.3.
3. Remove the scanner assembly, REP 14.1.
4. Remove the rear cover, REP 28.1.
5. Remove the outbin assembly, REP 28.2.
6. 3635 only. Disconnect CN24 from the Main PWB.
3550 only. Disconnect CN17 from the Main PWB.
7. Remove 4 screws, then remove the LSU, PL 6.10 Item 1.
Replacement
1. Replacement is the reverse of the removal procedure.
REP 6.2 LSU Interlock Switch
Parts List on PL 6.10
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.
WARNING
Avoid exposure to laser beam. Invisible laser radiation.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the DADF, PL 5.10 Item 1.
2. 3635 only. Remove the UI assembly, REP 2.1.
3550 only. Remove the UI assembly, REP 2.3.
3. Remove the scanner assembly, REP 14.1.
4. Remove the rear cover, REP 28.1.
5. Remove the outbin assembly, REP 28.2.
6. 3635 only. Disconnect CN21 from the Main PWB.
3550 only. Disconnect CN9 from the Main PWB.
7. Remove the LSU interlock switch, PL 6.10 Item 2.
Replacement
1. Replacement is the reverse of the removal procedure.