Finisher Upper Output Tray Is Full, Unload Paper - Xerox Paser 7400 Service Manual

Finisher Upper Output Tray is Full, Unload Paper

Initial Actions:
Ensure that the output tray is empty and the actuator is in the correct
position.
Cycle printer power.
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Stack Full Sensor
Troubleshooting Procedure Table
Step Actions and Questions
1
Test the Upper Tray Stack Full Sensor.
Run the Service Diagnostics Upper Tray
Full Sensor test.
Does the sensor state change when the
sensor is actuated?
2
Check the sensor harness connections.
Is the sensor connected?
3 Print a test print.
Does the error still occur?
4 Check sensor harness continuity.
Is the harness conductive?
5
Check for +5 V to the Upper Tray Stack Full
Sensor.
Is there +5 V on the Finisher Control
Board?
6 Check the Finisher Control Board signal.
Does the voltage across on the Finisher
Control Board change when the sensor is
actuated?
General Troubleshooting
Wiring and Plug/Jack References
Options Map 7 Finisher Sensor Locator (1/2)
Options Finisher Controller to Sensors (3/3)
Yes
Replace the
Finisher Control
Board.
Go to Step 4.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Replace the
Finisher Control
Board (page 5-46).
No
Go to Step 2.
Connect and go to
Step 3.
Problem solved.
Replace the
Sensor Harness.
Replace the
Finisher Control
Board.
Replace the Upper
Tray Full Stack
Sensor.
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