Xerox Phaser 7400

3-48 Phaser 7400 Color Printer Service Manual
5
Check for +24 V to the Shift Motor.
Disconnect CN6 from the Finisher Control
Board.
Is there +24 V CN6-1 <=> CN6-2?
Replace the Shift
Motor.
Replace the
Finisher Control
Board. If the error
persists, go to
Step
6.
6
Test the Shift Motor Clock Sensor.
Run the Shift Motor Clock Sensor test.
Does the sensor function correctly?
Go to Step 8. Replace the
sensor.
7
Test the sensor signal.
Does the voltage change on CN15-5 when
the sensor is actuated?
Replace the
Finisher Control
Board.
Replace the wiring.
If the error persists,
replace the Engine
Control Board
(
page 8-112).
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No