January 2016
2-20
WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
03-920
Status Indicator RAPs
03-920 MCB to DADF Communications Fault RAP
03-920 A main PWB to DADF 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.
Go to the relevant procedure:
• 4150 Checkout
• 4250/4260 Checkout
• 4265 Checkout
4150 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to Wiring Diagram 3, Wiring Diagram 9 and Wiring Diagram 11. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check the wiring between CN2 on the Main PWB and CN7 on the Scanner PWB.
3. Check the wiring between CN6 on the Scanner PWB and CN2 on the DADF PWB.
4. Install new components as necessary:
• Scanner PWB, PL 14.10 Item 15.
• DADF PWB, PL 5.20 Item 6.
5. Perform the OF5 Main PWB Check RAP.
4250/4260 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to Wiring Diagram 22, Wiring Diagram 28 and Wiring Diagram 29. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check the wiring between CN on the Main PWB and CN7 on the Scanner PWB.
3. Check the wiring between CN6 on the Scanner PWB and CN8 on the DADF PWB.
4. Install new components as necessary:
• Scanner PWB, PL 14.13 Item 15.
• DADF PWB, PL 5.30 Item 24.
5. Perform the OF5 Main PWB Check RAP.
4265 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to Wiring Diagram 38, Wiring Diagram 44 and Wiring Diagram 45. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check the wiring between CN11 on the Main PWB and CN7 on the Scanner PWB.
3. Check the wiring between CN2 on the Scanner PWB and CN8 on the DADF PWB.
4. Install new components as necessary:
• Scanner PWB, PL 14.13 Item 15.
• DADF PWB, PL 5.30 Item 24.
5. Perform the OF5 Main PWB Check RAP.