Tray 1/Mpt Size Sensor (7-274), Code - Xerox 7750DXF - Phaser Color Laser Printer Service Manual

Tray 1/MPT Size Sensor (7-274), Code?

An open circuit has been detected in the Paper Size Senor
Troubleshooting References
Applicable Parts
Tray 1/MPT Assembly
Engine Control Interface Board.
Engine Control Board
Troubleshooting Procedure
Step Actions and Questions
1 Is J610-2 between +0.15 and +3.1 VDC?
2
Is J532B-6 between +0.15 and +3.1 VDC?
3 Is +3.3 VDC present at J610-1?
4
Is +3.3 VDC present at J532B-7?
Error Messages and Codes
Wiring and Plug/Jack Map References
Yes
Go to step 2.
Replace in the
following order:
engine control
interface board.
engine control
board
Replace the Tray
1/MPT assembly.
Troubleshoot and
repair the wiring
harness between
P/J 535 and P610.
No
Go to step 3.
Troubleshoot and
repair the wiring
harness between
P/J 535 and
P610.
Go to step 4.
Replace in the
following order:
engine control
interface board.
engine control
board
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