Xerox WorkCentre 5020 Service Documentation page 63

White Streaks (Process Direction)
Cause
1. Foreign substances are blocking the ROS Laser.
2. Developer material clogging on the Developer Magnetic Roll due to foreign substances.
Initial Issue
WorkCentre 5020
Figure 3 White Streaks (Process Direction)
Action
1. Clean the optical path between the ROS (PL 3.1) (REP 3.1.1) and the Drum Cartridge (PL
4.1) (REP 4.1.1), and clean the seal glass.
2. Replace the Drum Cartridge (PL 4.1) (REP 4.1.1).
July, 2007
3-19
Image Quality