Finisher Punch Dust Sensor Failure - Xerox Phaser 7400 Service Manual

Finisher Punch Dust Sensor Failure

An error was detected in the Punch Waste Sensor.
Applicable Status Code:
Code F139: Punch Waste Sensor Failure
Initial Actions:
Cycle the printer's power.
If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Punch Box Sensor Emitter Board
Punch Box Sensor Receiver Board
Troubleshooting Procedure Table
Step Actions and Questions
1
Test the Punch Box Sensor.
Run the Service Diagnostics Punch Box
Set Sensor test.
Does the sensor state change when the
emitter is blocked?
2 Check the Punch Box Sensor Harness
connection.
Is P/J1005 connected to the Punch Control
Board?
Are P/J2005 and P/J2006 connected to the
Emitter and Receiver boards?
3 Check the Punch Box Sensor Harness
continuity.
Is the harness conductive?
4 Check the Punch Box Sensor Emitter
Board.
Is the LED illuminated?
5
Check for +5 V to the Punch Box Sensor.
Disconnect P/J2006.
Is there +5 V at J2006-1 <=> J2006-2?
6 Replace the Finisher Control Board.
Does the error still occur?
3-140
Wiring and Plug/Jack References
Options Map 2 Punch Controller Board
Options Punch Controller to Sensor and Motors
Yes
Go to Step 6.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Replace the
Punch Box Sensor
Receiver Board.
Replace the
Engine Control
Board
(page 8-112).
Phaser 7400 Color Printer Service Manual
No
Go to Step 2.
Connect the
harness.
Replace the
harness.
Replace the
Punch Box
Emitter Board.
Replace the
Punch Control
Board.
Complete.