Xerox WorkCentre 3550 - REP 5.3 DADF Registration and Scan Sensors

April 2010
4-14
Phaser 3635MFP/WorkCentre 3550
REP 5.3, REP 5.4
Repairs and Adjustments
REP 5.3 DADF Registration and Scan Sensors
Parts List on PL 5.35
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 DADF, PL 5.10 Item 1.
2. Remove the DADF rear cover, PL 5.10 Item 9.
3. Remove the DADF door assembly, PL 5.10 Item 3.
4. Release the DADF feed assembly, PL 5.10 Item 4.
NOTE: It is not necessary to disconnect the harness from the DADF feed assembly.
5. Remove the DADF transport assembly upper cover, PL 5.35 Item 13.
6. Remove the DADF registration sensor or scan sensor as necessary, Figure 1.
Figure 1 Sensor location
Replacement
1. Replacement is the reverse of the removal procedure.
REP 5.4 DADF Transport Assembly and DADF Feed
Assembly
Parts List on PL 5.30 and PL 5.35
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
Take care during this procedure. Sharp edges may be present that can cause injury.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the DADF, PL 5.10 Item 1.
2. Remove the DADF rear cover, PL 5.10 Item 9.
3. Remove the DADF front cover, PL 5.10 Item 10.
4. Remove the DADF door assembly, PL 5.10 Item 3.
5. Remove the DADF lift solenoid, REP 5.2.
6. Disconnect the following connectors from the DADF PWB:
• CN1
• CN5
• CN7
• CN8
• CN9
DADF registration sensor
DADF scan sensor