Jam At Finisher Punch Unit - Xerox Paser 7400 Service Manual

Jam at Finisher Punch Unit

Media did not clear the Finisher Entrance Sensor on time. This error represents a jam
at the Finisher entrance.
Applicable Status Code:
Code FN1:
Jam at Finisher Punch
Initial Actions:
Check for obstructions or debris in the paper path.
Cycle printer power.
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Punch Unit
Finisher Entrance Sensor
Finisher Transport Rollers
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the following for evidence of fault or
damage:
Punch Unit
Transport Rollers
Exit Rollers
Are there any defects or misalignment?
2 Test the Finisher Entrance Sensor.
Run the Service Diagnostics Finisher
Entrance Sensor test.
Does the sensor function correctly?
3 Check the Entrance Sensor signal at the
Finisher Control Board.
Actuate the Entrance Sensor.
Does the voltage across CN16-12 <=>
ground change when the sensor is
actuated?
3-20
Wiring and Plug/Jack References
Options Map 2, Punch Unit Controller Board
Options Map 8, Finisher Sensor Locator (2/2)
Options Punch Unit Sensors and Motors
Options Finisher Controller to Sensors (2/3)
Phaser 7400 Color Printer Options Service Manual
Yes
Replace any
damaged parts.
Replace the Engine
Control Board (see
Book 1).
Replace the
Finisher Control
Board (page 5-46).
No
Go to Step 2.
Replace the
sensor. If the error
persists, go to
Step 3.
Replace the
harness.