Xerox Phaser 6125 Service Manual page 141

Phaser 6125/6130 Color Laser Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
Check the Left Side Harness Assy for
6
continuity
Disconnect J23 from the MCU Board.
Disconnect J233 from the Manual
Feed No Paper Sensor (Photo Sensor).
Is each cable of J23 <=> J233
continuous?
7 Check the power to the Manual Feed
No Paper Sensor
Disconnect J23 from the MCU Board.
Is the voltage across P23-6pin <=>
ground on the MCU Board, about +3.3
VDC?
8 Check the Manual Feed No Paper
Sensor for operation
Check the voltage across J23-8pin <=>
ground on the MCU Board.
Does the voltage change when the SSI
Actuator is operated?
Error Messages and Codes
Yes No
Go to step 7. Replace the
Feeder Assy
(page 8-25) or
Left Side
Harness Assy
(page 8-26).
Go to step 8. Replace the
MCU Board
(page 8-59).
Replace the Replace the
MCU Board Feeder
(page 8-59). Assembly
(page 8-25).
3-43