Xerox WorkCentre 4150 Service Manual page 87

07-200, 300, 400 Tray 2, 3 or 4 Paper Low RAP
07-200 The machine has detected that tray 2 is nearly empty when the tray is full.
07-300 The machine has detected that tray 3 is nearly empty when the tray is full.
07-400 The machine has detected that tray 4 is nearly empty when the tray is full.
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: The main PWB has 4 test points, GND, +3.3V, +5V and +24V. The location of the test
points is shown on the Main PWB PJ location illustration.
NOTE: Trays 2, 3 and 4 are identical. Check the relevant tray module.
Refer to Wiring Diagram 7, Wiring Diagram 12 and Wiring Diagram 13. Perform the following:
1. Make sure the tray is fully home.
2. Pull out the tray. Check for obstructions behind the tray.
3. Check the tray elevator mechanism on the back of the tray.
4. Check that the paper low sensor actuator on the tray elevator gear, PL 7.10 Item 24 is not
missing or damaged.
5. Replace the tray. Listen for the tray elevating motor to raise the knock-up plate. If the plate
does not rise, check the wiring between the tray elevating motor and CN7 on the Tray
PWB. If necessary, install new components:
• Tray elevating motor, PL 7.20 Item 7.
• Tray feed assembly, PL 8.10 Item 1.
6. Enter dC330. Check the relevant paper low sensor, PL 7.20 Item 3:
• Tray 2. Code 07-260.
• Tray 3. Code 07-360.
• Tray 4. Code 07-460.
7. Check the wiring between the paper low sensor and CN5 on the Tray PWB. If necessary,
install a new paper low sensor, PL 7.20 Item 3.
8. Check the wiring between CN1 on the Tray PWB and CN24 on the Main PWB.
9. If necessary, install new components:
• Tray PWB, PL 7.20 Item 6.
• Main PWB, PL 1.10 Item 1.
• Tray cassette, PL 7.10 Item 1.
WorkCentre 4150
07-210, 310, 410 Paper Empty at Tray 2, 3 or 4 RAP
07-210 The machine has detected that tray 2 is empty when the tray is full.
07-310 The machine has detected that tray 3 is empty when the tray is full.
07-410 The machine has detected that tray 4 is empty when the tray is full.
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.
NOTE: The main PWB has 4 test points, GND, +3.3V, +5V and +24V. The location of the test
points is shown on the Main PWB PJ location illustration.
NOTE: Trays 2, 3 and 4 are identical. Check the relevant tray module.
Refer to Wiring Diagram 7, Wiring Diagram 12 and Wiring Diagram 13. Perform the following:
1. Pull out the tray. Check that the paper empty actuator, PL 8.10 Item 4 moves freely and is
not damaged.
2. Replace the tray. Listen for the tray elevating motor to raise the knock-up plate. If the plate
does not rise, check the wiring between the tray elevating motor and CN7 on the Tray
PWB. If necessary, install new components:
• Tray elevating motor, PL 7.20 Item 7.
• Tray feed assembly, PL 8.10 Item 1.
3. Enter dC330. Check the relevant paper empty sensor, PL 8.10 Item 2:
• Tray 2. Code 07-210.
• Tray 3. Code 07-310.
• Tray 4. Code 07-410.
4. Check the wiring between the paper empty sensor and CN7 on the Tray PWB. If neces-
sary, install a new paper empty sensor, PL 8.10 Item 2.
5. Check the wiring between CN1 on the Tray PWB and CN24 on the Main PWB.
6. If necessary, install new components:
• Tray PWB, PL 7.20 Item 6.
• Main PWB, PL 1.10 Item 1.
September 2006
2-29
WARNING
Status Indicator RAPs
07-200, 300, 400, 07-210, 310, 410