Xerox 7700DX Service Manual - Page 106
Finisher Error 116 Stacker Height Sensor Off, Failure, Finisher Error 117 Stacker Tray Failure, Error
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Error Code 116 Chain / Link 12-254 ABCD Front Panel Message FINISHER ERROR 116 STACKER HEIGHT SENSOR OFF FAILURE (Continued) 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. 2-76 Phaser 7700 Color Laser Printer Service Manual
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