3-124 Phaser 7400 Color Printer Service Manual
Finisher Fold Position Sensor Failure
An error was detected with the Fold Position Sensor.
Applicable Status Code:
Code F131: Fold Position Sensor failure
Initial Actions:
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Fold Position Sensor
■ Finisher Control Board
■ Options Map 1 Finisher Controller Board
■ Options Map 8 Finisher Sensor Locator
■ Options Finisher Controller to Sensors (2/3)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Test the Folding Position Sensor.
Run the Service Diagnostics Bookbinding
Position Sensor test.
Does the sensor function correctly?
Replace the
Finisher Control
Board.
Go to Step 2.
2
Check the sensor connection.
Is CN39 connected?
Go to Step 3. Reconnect the
sensor.
3
Replace the sensor.
Does the error persist?
Go to Step 4. Complete
4
Check all pins on the harness for continuity.
Is the harness conductive?
Replace the
Finisher Control
Board.
Replace the
harness.