Xerox WorkCentre 5790 Series Service Manual page 431

11-044-171 to 11-047-171 Punch Unit Head and Position
RAP
11-044-171 The punch head has failed to return to the home position.
11-045-171 The punch head has failed to move from the home position.
11-046-171 The punch unit has failed to return to the home position.
11-047-171 The punch unit has failed to move from the home position.
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 the punch head area for any obstruction or damage that could prevent the free move-
ment of the head or the unit. If necessary, install new components.
Procedure
Figure 1 shows the location of the components.
Enter dC330, code 11-043 for the punch head motor. The motor operates.
Y N
Go to Flag 2. Check the wiring from the motor to the PWB. Repair as necessary,
Check the punch head motor, MOT11-043. Refer to:
• GP 10 How to Check a Motor.
• P/J502, HVF Control PWB
• 11A-171 HVF Power Distribution RAP.
Install new components as necessary:
• HVF hole punch assembly, PL 11.153 Item 1
• HVF control PWB, PL 11.157 Item
Enter dC330, code 11-350 for the punch head home sensor and stack the code 11-043 for the
punch head motor. Observe the condition of the sensor on the UI. The display changes.
Y N
Go to Flag 1. Check the wiring from the sensor to the PWB. Repair as necessary,
1.2. Check the punch head home sensor, Q11-350. Refer to:
• GP 11 How to Check a Sensor.
• P/J501, HVF Control PWB
• 11A-171 HVF Power Distribution RAP.
Install new components as necessary:
• HVF hole punch assembly, PL 11.153 Item 1
• HVF control PWB, PL 11.157 Item
Enter dC330, code 11-045 for the motor to travel in the forward direction, or enter the code 11-
046 for the motor to travel in the reverse direction. The motor operates.
Xerox® WorkCentre® 5790 Family
WARNING
2.
2.
Y N
Go to Flag 4. Check the wiring from the motor to the PWB. Repair as necessary,
Check the punch unit motor, MOT11-045. Refer to:
• GP 10 How to Check a Motor.
• P/J502, HVF Control PWB
• 11A-171 HVF Power Distribution RAP.
Install new components as necessary:
• HVF hole punch assembly,
• HVF control PWB,
Enter dC330, code 11-044 for the punch unit home sensor and stack the code 11-045 or 11-
046 to take the punch unit motor into, and out of, the home position. Observe the condition of
the sensor on the UI. The display changes.
Y N
Go to Flag 3. Check the wiring from the sensor to the PWB. Repair as necessary,
1.2. Check the punch unit home sensor, Q11-044. Refer to:
• GP 11 How to Check a Sensor.
• P/J501, HVF Control PWB
• 11A-171 HVF Power Distribution RAP.
Install new components as necessary:
• HVF hole punch assembly,
• HVF control PWB,
REP 1.2.
Perform SCP 6 Final Actions.
REP
May 2013
2-399
PL 11.153 Item 1
PL 11.157 Item 2.
PL 11.153 Item 1
PL 11.157 Item 2.
11-044-171 to 11-047-171
REP 1.2.
REP
Status Indicator RAPs