Xerox WorkCentre 5790 Series Service Manual page 208

07-374 Tray 5 Elevator Lower Failure RAP
07-374 A signal was not detected by the encoder when the elevator motor was driving down.
Initial Actions
WARNING
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.
Procedure
Figure 1. Ensure the cable holder PL 7.68 Item 23
bracket PL 7.68 Item 6. The cable holder is correctly positioned.
Y N
Reposition the cable holder so that it does not become trapped behind the elevator motor
bracket.
Install new components as necessary:
• Cable holder PL 7.68 Item 23.
Open and close the tray 5 door. The tray moves down.
Y N
Enter dC330 code 07-306 tray 5 door interlock switch. Press Start. Manually toggle the
the door interlock switch. The display changes.
Y N
Check the wiring to the switch and if necessary install a new switch,
Go to Flag 1. Check S07-306. Refer to:
• GP 13 How to Check a Switch.
• P/J507, Tray 5 control PWB.
• 01E +5V Distribution RAP.
• 01B 0V Distribution RAP.
Install new components as necessary:
• Tray 5 door interlock switch,
• Tray 5 control PWB, PL 7.68 Item
Enter dC330 code 07-405 tray 5 stack down sensor, Q07-405,
ually activate the stack down sensor actuator. The display changes
Y N
Go to Flag 2. Check Q07-405. Refer to:
• GP 11 How to Check a Sensor.
• P/J505, Tray 5 control PWB.
• 01E +5V Distribution RAP.
• 01B 0V Distribution RAP.
Install new components as necessary:
• Tray 5 stack down sensor,
• Tray 5 control PWB, PL 7.68 Item
A B
Status Indicator RAPs
07-374
is not trapped behind the elevator motor
PL 7.60 Item
PL 7.60 Item 6.
8.
Figure 1. Press Start. Man-
PL 7.68 Item 9.
8.
A B
Go to PJ504 pin 6 on the Tray 5 control PWB,
limit switch (S07-415) on the paper tray,
Y N
Go to Flag 3. Check S07-415. Refer to:
• GP 13 How to Check a Switch.
• P/J504, Tray 5 control
• 01G +24V Distribution RAP.
• 01B 0V Distribution RAP.
Install new components as necessary:
• Tray 5 down limit switch,
• Tray 5 control PWB,
Enter dC330 code 07-406 tray 5 elevator motor encoder sensor, Q07-406. Press Start.
Manually lift the motor to activate the sensor. The display changes
Y N
Go to Flag 4. Check Q07-406. Refer to:
• GP 11 How to Check a Sensor.
• P/J506, Tray 5 control
• 01E +5V Distribution RAP.
• 01B 0V Distribution RAP.
Install new components as necessary:
• Elevator motor encoder sensor,
• Tray 5 control PWB,
6.
Enter dC330 code 07-373 tray 5 elevator motor, MOT07-373. Press Start. The
runs
Y N
Go to Flag 5. Check MOT07-373. Refer to:
• GP 10 How to Check a Motor.
• P/J504, Tray 5 control
• 01G +24V Distribution RAP.
• 01B 0V Distribution RAP
Install new components as necessary:
• Tray 5 elevator motor,
• Tray 5 control PWB,
The tray 5 elevator motor is operating correctly.
The tray 5 elevator motor is operating correctly.
May 2013
2-176
Flag 3. Manually activate the tray 5 down
Figure 2. The voltage changes.
PWB.
PL 7.70 Item 2.
PL 7.68 Item 8.
PWB.
PL 7.68 Item 5.
PL 7.68 Item 8.
PWB.
PL 7.68 Item 4.
PL 7.68 Item 8.
Xerox® WorkCentre® 5790 Family
motor