Xerox WorkCentre 7220
Troubleshooting. Image Quality. IQ01 White Streaks/White Band (Dirt, Scratches) in SS Direction
approx. 1mm wide
This is caused by dirt or scratches.
Procedure
- Clean the top surface of the ROS Window.
NOTE: It is necessary to separate this problem from Clogged Developer Trimmer. Do not replace the ROS Unit without consideration. Check IQ 31 to ensure that the problem is NOT “White Streaks due to clogged Developer Trimmer.” - Replace the ROS Unit (PL 2.1).
NOTE: Cin50% and Cin30% half tones can be output with dC612, test pattern 9.