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Phaser 7700 Color Laser Printer Service Manual
2-73
113
12-244
FINISHER ERROR 113 STAPLER FAILURE
Open the Finisher Front Door.
Verify the Stapler Carriage is its full home position.
Enter Service Diagnostics Mode.
Run the Stapler “Head Home” sensor test to verify home position.
Does the sensor indicate home position?
Yes No
Remove the Finisher Rear Cover and the Board Cover (RRP 72, on page 11-330).
Measure the voltage between Finisher Board connector P852-2 (see figure page 2-46)
and Finisher frame ground while interrupting the Home Sensor.
Does the voltage toggle between 0 VDC and +5 VDC?
Yes No
Measure the voltage between Finisher Board connector P852-1
(see figure page 2-46) and Finisher frame ground.
Does the voltage m5 VDC?
Yes No
Disconnect to the Stapler Unit Assembly.
Measure again the voltage between Finisher Board connector P852-1
(see figure page 2-46) and Finisher frame ground.
Does the voltage now m5 VDC?
Yes No
Replace the Finisher Control Board.
Replace the Stapler Unit Assembly.
Measure the voltage between Finisher Board connector P852-5
(see figure page 2-46) and Finisher frame ground.
Does the voltage measure 0 VDC?
Yes No
Test the wiring harness and the Finisher Control Board for continuity to
Finisher frame ground.
Replace the Finisher Control Board.
Replace the Stapler Unit Assembly.
Replace the Finisher Control Board.
Perform the Stapler “Ready” sensor test.
Error
Code
Chain /
Link
Front Panel Message
Summary of Contents for 7700DX - Phaser Color Laser Printer
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Page 339: ...Phaser 7700 Color Laser Printer Service Manual 10 309 MPT and Left Hand Cover Assembly LH Door...
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Page 341: ...Phaser 7700 Color Laser Printer Service Manual 10 311 ly Board and Lower Tray Motor Assembly...
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