Xerox 7700DX - Phaser Color Laser Printer Service Manual page 97

Error Chain /
Code Link
60 04-640
Enter Service Diagnostics Mode and run the "Print Cartridge Motor" test.
Does the motor run?
Yes No
Remove the Rear Cover (RRP 1, on page 7-154), the Rear Cover Shield
(RRP 9, on page 7-163) and the Rear Shield Bracket (RRP 10, on page 7-164).
Connect the power cord and enter Service Diagnostics Mode.
Measure the voltage at the Print Engine Controller Interface Board P407-4(+)
(see figure page 2-46)and frame ground.
Is the voltage +5 VDC?
Yes No
Replace the Engine Control Board (RRP 42, on page 7-206).
Measure the voltage at the Print Engine Controller Interface Board P407-6(+)
(see figure page 2-46) and frame ground.
Does the voltage measure +24 VDC?
Yes No
Replace the Engine Control Board (RRP 42, on page 7-206).
Measure the voltage at the Print Engine Controller Interface Board P407-1(+)
(see figure page 2-46) and
frame ground.
Is the voltage +5 VDC?
Yes No
Replace the Engine Control Board (RRP 42, on page 7-206).
Run the "Print Cartridge Motor" test.
Does the voltage still measure +5 VDC at P407-1?
Yes No
Replace the Print Cartridge Drive Assembly (RRP 53, on page 7-219).
Replace the Engine Control Board (RRP 42, on page 7-206).
Replace the Engine Control Board (RRP 43, on page 7-207).
ERROR 60 DRUM MOTOR FAILURE
Phaser 7700 Color Laser Printer Service Manual
Front Panel Message
2-67