Xerox Phaser 7500 Service Manual page 377

Phaser 7500 Printer Service Manual
Troubleshooting Procedure (Continued)
Step Actions and Questions
5 Check the Black Imaging Unit for
contamination, scratches, or
distortion.
Is the Imaging Unit normal?
6 Replace the MOB ADC Assembly
(REP 18.3, page
Is the problem repaired?
Yes
Go to step 6.
Troubleshooting
8-189). complete.
Error Messages and Codes
No
Replace the
Black Imaging
Unit (REP 1.2,
page 8-10).
Replace the
MCU PWB
(REP 18.12,
page 8-202).
3-239