Datasheet

User Guide 71
Symptom: Vertical dark streaks
There are black lines running across the print parallel to the direction
of paper movement.
Symptom: Repetitive horizontal dark streaks
There are black lines running across the page perpendicular to the
direction of paper movement.
Possible causes and solutions:
■ The Laser Print Cartridge may be defective or at
the end of its life. Replace the Laser Print
Cartridge.
■ The fuser may be defective. Replace the fuser
(in the Maintenance Kit).
Possible causes and solutions:
■ The paper path may be contaminated with
toner. Print several blank sheets of paper to
remove the toner accumulations.
■ The Laser Print Cartridge may be defective or at
the end of its life. Replace the Laser Print
Cartridge.
4525-62
4525-63
Troubleshooting