Main Pwb To Gui Communications Fault Rap; Main Pwb To Tray 2 Communications Fault Rap - Xerox phaser 3635 Service Manual

03-900 Main PWB to GUI Communications Fault RAP

03-900 A user interface to main PWB communications error has been detected.
Procedure
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.
Refer to Wiring Diagram 4. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check the wiring between CN6 on the Main PWB and CN2 on the UI PWB.
3. Check the wiring between CN10 on the Main PWB and CN11 on the UI PWB.
4. Check the wiring between CN11 on the Main PWB and CN1 on the UI PWB.
5. If necessary:
a. Install a new UI PWB, PL 2.10 Item 4.
b. Perform OF7 Main PWB Check RAP.
Draft 4
Phaser 3635MFP

03-940 Main PWB to Tray 2 Communications Fault RAP

03-940 A main PWB to tray 2 PWB communications error has been detected.
Procedure
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.
Refer to Wiring Diagram 7 and Wiring Diagram 11. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check the wiring between CN33 and CN34 on the Main PWB and CN7 on the Tray 2
PWB.
3. If necessary:
a. Install new components:
• Tray 2 connector, PL 8.15 Item 9.
• Tray 2 PWB, PL 8.17 Item 25.
b. Perform OF7 Main PWB Check RAP.
2-13
WARNING
Status Indicator RAPs
03-900, 03-940