Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 82

Troubleshooting Procedure (Continued)
Step Actions and Questions
7 1. Remove the imaging unit plate cover.
2. Inspect the wiring harness between
the engine control board and the
developer housing assembly.
3. Is the wiring harness defective?
8 Run approximately 10 pages of the solid fill full-page prints for this color to ensure
the error is cleared.
3-16
Yes
Replace the wiring
harness.
Phaser 7750 Printer Service Manual
No
Replace the ATC
sensor.