Xerox Phaser 6300 Service Manual page 226

Troubleshooting Procedure Table (Continued)
Step Actions and Questions
6
Check the Developer Drive Assembly,
PL8.1.1, for damage or wear.
Symptoms can be all colors, only one
color, and only CMY color. If CMY
color only is bad (black is good), this is
most likely the root cause.
7
Replace the Developer Frame
Assembly (page 8-78).
Does the image quality improve?
Print-Quality Troubleshooting
Yes
Complete
Complete
No
Go to Step 8.
Replace the Engine
Control Board
(page 8-104).
5-15