Xerox M20 - WorkCentre B/W Laser, Service Manual

Page: 57 / 314

December 2006
2-11 WorkCentre M20, 4118, FaxCentre 2218 Family
8.4
Status Indicator RAPs
8.4 Paper Jam 0 Open/Close Door RAP
The machine has failed to detect paper at the feed sensor.
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.
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
Go to the relevant procedure:
• M20F Checkout
• 4118/2218 Checkout
M20F Checkout
Refer to Wiring Diagram 3. Perform the following:
1. Open the right hand cover. Remove all jammed paper.
2. Open the paper tray. Remove all jammed paper. Close the paper tray.
3. Enter GP 1 Engine Test Mode Entry. Use the sensor test to check FD. This is the feed
sensor, part of the PBA SUB - Feed & P.EMP SEN, PL 8.25 Item 12.
4. Check the wiring between the PBA feed sensor and CN24 on the PBA main.
5. Enter GP 1 Engine Test Mode Entry and check the motor DC - MCK2 (BLDC), PL 4.20
Item 4. Install new components as necessary, PL 4.20.
6. Enter GP 1 Engine Test Mode Entry and using the FCF solenoid test. Check the operation
of the solenoid - pickup, PL 4.10 Item 25. Install new components as necessary.
7. Check the wiring between the solenoid - pickup and CN32 on the PBA main.
8. Remove tray 1. Re-energize the solenoid - pickup. Make sure that the tray 1 shaft - pickup
CST, PL 8.25 Item 18 rotates freely. If necessary, install a new ELA HOU - pickup assem-
bly, PL 8.25 Item 1.
9. Check the ribs on the ELA HOU - pickup assembly, PL 8.25 Item 1. Worn ribs can cause
paper jams. If necessary, install a new ELA HOU - pickup assembly, PL 8.25 Item 1.
10. If necessary, install a new PBA main, PL 1.10 Item 4.
4118/2218 Checkout
Refer to Wiring Diagram 8. Perform the following:
1. Open the right hand cover. Remove all jammed paper.
2. Open the paper tray. Remove all jammed paper. Close the paper tray.
3. Enter GP 1 Engine Test Mode Entry. Use the sensor test to check FD. This is the feed
sensor, part of the PBA SUB - Feed & P.EMP SEN, PL 8.25 Item 12.
4. Check the wiring between the PBA feed sensor and CN5 on the HVPS.
5. Enter GP 1 Engine Test Mode Entry and check the motor step (BLDC), PL 4.20 Item 29.
Install new components as necessary, PL 4.20.
6. Enter GP 1 Engine Test Mode Entry and using the FCF solenoid test. Check the operation
of the solenoid - pickup, PL 4.10 Item 25. Install new components as necessary.
7. Check the wiring between the solenoid - pickup and CN9 on the HVPS.
8. Remove tray 1. Re-energize the solenoid - pickup. Make sure that the tray 1 shaft - pickup
CST, PL 8.25 Item 18 rotates freely. If necessary, install a new ELA HOU - pickup assem-
bly, PL 8.25 Item 1.
9. Check the ribs on the ELA HOU - pickup assembly, PL 8.25 Item 1. Worn ribs can cause
paper jams. If necessary, install a new ELA HOU - pickup assembly, PL 8.25 Item 1.
10. Install new components as necessary:
• PBA main (4118), PL 1.15 Item 9.
• PBA main (2218), PL 1.20 Item 9.
• HVPS (4118), PL 1.15 Item 10.
• HVPS (2218), PL 1.20 Item 10.