Printer Xerox Phaser 7700 error codes

• Error Code 10: Laser Unit failure

Solution: Remove Rear Cover , Disconnect P400 , and P401 on the Engine Control Board. Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if necessary.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them.

If the problem persists, replace the Laser Unit ,and , or , the Engine Control Board (116-1144-00).

• Error Code 11: Laser Unit Polygon Motor Failure

Solution: Remove Rear Cover , Disconnect P400 , on the Engine Control Board. Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if necessary.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them. Replace the Laser Unit , If the problem persists, replace the Engine Control Board (116-1144-00).

• Error Code 12, 13 ,14 and 15: ATC Sensor Failure

Solution: Remove the Rear Cover , and Rear Shield , Measure the voltage at P534-5 on the Engine Control Board. Does the voltage measure between +1 VDC and +3 VDC ?
If yes: Replace the Engine Control Board (116-1144-00).

If no: Replace the Developer Housing Assembly

Replace the Engine Control Board , Replace the Developer Housing Assembly
If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access.Clear Tech Rep Fault / Clear &<09-380 ~ 09-383> is run.

• Error Code 30: Accumulator Belt home position took too long

Solution: Ensure the Accumulator Belt shipping restraints have been removed. Enter Service Diagnostics Mode; Run the “Clear Tech Rep Fault”.
Lower the Main Release Lever and return to the upright position to reestablish electrical connections to the belt. Open the RH Door and defeat the interlock switch.
Look for rotation of the Accumulator Belt during the following test.
Enter Adjustments / Calibrations menu. Run the “Belt Edge Learn” test.
If the problem persists, replace the Engine Control Board (116-1144-00).

• Error Code 40: Fuser Main lamp failure

Solution: Switch printer power OFF. Remove the Fuser Assembly.
Warning Fuser may be very hot. Use extreme caution to prevent burns. Measure the resistance between the Fuser Assembly connector P600-4 and P600-6. Does the resistance measure between 20K and 100K ohms ?
If no: Replace the Fuser Assembly.
If yes:  Reinstall Fuser, Remove the Rear Cover, Rear Shield and the Rear Shield Bracket , Measure the resistance between P404A-1. Does the resistance measure between 20K and 100K ohms?
If no: Repair or replace the wiring harness between the Engine Control Board and the Fuser.
Replace the Engine Control Board (116-1144-00).

• Error Code 54: Fan failure

Solution: Enter Service Diagnostics Mode. Run the “Fuser Fan” test. Does the Fuser Fan operate?

If yes: replace the low voltage power supply fan.

If no: replace the fuser fan.

• Error Code 60: Drum motor failure

Solution: Enter Service Diagnostics Mode and run the “Print Cartridge Motor” test. Does the motor run?
If yes: Replace the Engine Control Board
If no: Remove the Rear Cover , the Rear Cover Shield , Measure the voltage at the Print Engine Controller Interface Board P407-4(+) and frame ground. Is the voltage +5 VDC ?
If no: Replace the Engine Control Board (116-1144-00).

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