Xerox WorkCentre 5790 Series Service Manual page 192

07-354 Tray 2 Elevator Lift Failure RAP
07-354 Tray 2 stack height sensor did not actuate within the correct time after the feed / eleva-
tor motor turned on.
Initial Actions
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
• Check for obstructions behind the tray.
• Ensure that the tray is pushed fully home.
Check the stack height mechanism actuator on the back of the tray,
• Check the drive gears and coupling on the tray.
• Check the elevator drive coupling on the feeder assembly.
Procedure
Enter dC330 code 07-337 tray 2 stack height sensor, Q07-337. Press Start. Pull out tray 2 and
push fully home. The display changes
Y N
Go to Flag 1. Check Q07-337. Refer to:
• GP 11 How to Check a Sensor.
• P/J275, Tray 1 and 2 control PWB.
• 01E +5V Distribution RAP.
• 01B 0V Distribution RAP.
Install new components as necessary:
• Tray 2 stack height sensor, PL 8.26 Item
• Tray 1 and 2 control PWB, PL 7.10 Item
To prevent damage to the elevator and paper feed mechanism, the paper tray must be pulled
out before MOT07-020 is run in diagnostics.
Enter dC330 code 07-020 tray 2 feed / elevator motor, MOT07-020. Pull out tray 2. Press
Start. The motor runs
Y N
Go to Flag 2. Check MOT07-020. Refer to:
• GP 10 How to Check a Motor.
• P/J275, Tray 1 and 2 control
• 01G +24V Distribution RAP.
• 01B 0V Distribution RAP
Install new components as necessary:
• Tray 2 Feed / elevator motor,
• Tray 1 and 2 control PWB, PL 7.10 Item
Perform the following:
• Check the feeder / elevator motor drive gears,
• Check the tray 2 stack height mechanism on the feeder assembly,
If the fault still occurs then go to 07A Tray 1 and Tray 2 Empty RAP.
Status Indicator RAPs
07-354
WARNING
Figure
8.
2.
CAUTION
PWB.
PL 8.26 Item 6.
2.
Figure 1.
1.
May 2013
2-160
Drive gears
Figure 1 Component location
Xerox® WorkCentre® 5790 Family
Stack height
mechanism
actuator