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2-76
Phaser 7700 Color Laser Printer Service Manual
116
12-254
FINISHER ERROR 116 STACKER HEIGHT SENSOR OFF
FAILURE (Continued)
A
B
C
D
Measure the voltage at the Stack Height Sensor pin 3 (violet) and Finisher
frame ground.
Does the voltage measure 0 VDC?
Yes No
Measure the voltage between the Finisher Control Board P850B-4
(see figure page 2-46) and Finisher frame ground.
Does the voltage measure 0 VDC?
Yes No
Replace the Finisher Control Board (RRP 77, on page 11-336).
Note
There is an intermediate connector in this
harness (J870) behind the Front Cover.
Remove Front Door to repair/replace the
harness.
Repair or replace the wiring harness between the Finisher Control
Board and the Stack Height Sensor
Replace the Stack Height Sensor (RRP 73, on page 11-332).
Repair or replace the wiring harness between the Finisher Control Board and
the Stack Height Sensor.
Note
There is an intermediate connector in this
harness (J870) behind the Front Cover.
Remove Front Door to repair/replace the
harness.
Replace the Finisher Control Board (RRP 77, on page 11-336).
Replace the Finisher Control Board (RRP 77, on page 11-336).
117
12-255
FINISHER ERROR 117 STACKER TRAY FAILURE
Remove the Finisher Front Cover and Rear Cover (RRP 72, on page 11-330)].
Defeat the Front Cover Interlock.
Enter Service Diagnostics Mode.
From the Main Menu, “Motors/Fans Tests/Finisher Motors/Stacker.”
Run Motor Up and Down tests.
Does the Stacker Tray move up and down?
Yes No
Inspect the Stacker Motor Assembly and Belt Bracket Assembly for damage. Replace as
necessary.
Does the Stacker move now?
Yes No
Replace the Finisher Control Board (RRP 77, on page 11-336).
Problem solved.
Drive the Stacker Tray to its highest position using the Motor Up test.
From the Main Menu, select “Sensor Tests/Finisher Sensors/Stacker.
Error
Code
Chain /
Link
Front Panel Message
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