C4170-90959
Image Formation Troubleshooting
131
Vertical White Lines
Possible Cause Action
Lack of toner or faulty
Toner Cartridge.
Redistribute the toner in the Toner Cartridge. If the
problem persists, replace the Toner Cartridge.
Dirt in the laser path. Clean the laser path. (Remove the Laser Scanner
Assembly and clean the lens.)
Defective Fuser. Replace the Fuser Assembly.
Dirty mirror in the
Laser Scanner.
Replace the Laser Scanner.
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