Wrong Paper Type Load Tray [3][4][5][6] With [Size][Type] - Xerox Paser 7400 Service Manual

Wrong Paper Type Load Tray [3][4][5][6] with
[size][type]
The Media Thickness Sensor has detected a change in the media type (thickness) in
the same tray, or reports a thickness value exceeding the reference.
Initial Actions:
Ensure the tray is free of obstructions and loaded with the expected media.
Cycle printer power.
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Media Thickness Sensor
Front Sensor Board
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the following for evidence of fault,
debris, damage, of misalignment:
Media Thickness Sensor
PATHICK Harness
2
Recalibrate the sensor. See (page 6-4
Did the calibration pass?
3 Check the PATHICK Harness continuity.
Is the harness conductive?
4 Check for +5 V to the sensor.
Disconnect PATHICK at the Front Sensor
Board.
Is there +5 V across PATHICK-3 <=>
ground?
5 Check for +5 V to the Front Sensor Board.
Disconnect FSNS at the Motor Driver
Board.
Is there +5 V across FSNS-10 and -14<=>
ground?
6 Check the FSNS Harness continuity.
Is the harness conductive?
General Troubleshooting
Wiring and Plug/Jack References
Print Engine Map 9 (see Book 1)
Print Engine Front Sensor Board (1/2) (see Book 1)
Yes
Replace the parts
concerned.
). Complete.
Go to Step 4.
Replace the
sensor. Recalibrate
the sensor
following
replacement.
Replace the Front
Sensor Board (see
Book 1).
Replace the Motor
Driver Board (see
Book 1).
No
Go to Step 2.
Go to Step 3.
Replace the
harness.
Go to Step 5.
Go to Step 6.
Replace the FSNS
Harness.
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