January 2010
3-18
Phaser 7760 Color Laser Printer
Initial Actions Before Troubleshooting
Revised
Image Quality
Missing Colors
One of more of the primary (YMCK) colors is missing from the image.
1. Refer to Section 6, Developer BIAS Failure to check the Developer Bias Circuit.
2. If the circuits are OK, check ROS for damage or contamination. Clean, repair, or replace
as required (PL 3.1).