Media Mismatch Errors; Wrong Paper Size; Load Tray 1 (Mpt) With [Size][Type] - Xerox Phaser 7400 Service Manual

Media Mismatch Errors

Wrong Paper Size; Load Tray 1 (MPT) with [size][type]

Tray 1 (MPT) paper size mismatch error. The size setting stored in NVRAM differs
from the size specified by the print job.
Initial Actions:
Check that the size setting in NVRAM, media loaded in the tray, and
specification for the job match.
Cycle printer power.
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Front Sensor Board, PL8.1.7
Engine Control Board, PL1.1.4
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the following for evidence of fault,
debris, damage, of misalignment:
Feed-Out #1 Sensor Actuator
Registration Sensor #1 Actuator
Transfer Unit Entrance Sensor
MPTSNS Harness
2 Check the MPTSNS Harness continuity.
Is the harness conductive?
3
Check for +5 V to the Feed-Out #1 Sensor.
Disconnect MPTSNS at the Front Sensor
Board.
Is there +5 V at MPTSNS-4 <=> ground?
4
Check for +5 V to the Front Sensor Board.
Disconnect FSNS at the Motor Driver
Board.
Is there +5 V at FSNS-10 and -14<=>
ground?
5
Check the FSNS Harness continuity.
Is the harness conductive?
3-82
Wiring and Plug/Jack References
Print Engine Map 9 (page 10-12)
Print Engine Front Sensor Board (2/2) (page 10-27)
Yes
Replace the parts
concerned.
Go to Step 3.
Replace the sensor
(page 8-32).
Replace the Front
Sensor Board
(page 8-150).
Replace the Motor
Driver Board
(page 8-141).
Phaser 7400 Color Printer Service Manual
No
Go to Step 2.
Replace the
harness.
Go to Step 4.
Go to Step 6.
Replace the FSNS
Harness.