Vertical White Lines Appear

Cause

Solution

Reference

The LED heads are dirty.

Wipe the LED heads with a soft tissue paper.

Cleaning the LED Head

The toner is low.

With the toner cartridge attached to the image drum, tap the toner cartridge. If the problem persists, replace the toner cartridge.

Replacing the Toner Cartridge

There may be foreign objects in the image drum.

Replace the image drum.

Replacing the Image Drum

The lightproof film of the image drum is dirty.

Wipe the lightproof film with a soft tissue paper.

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The image drum is not installed properly.

Install the image drum properly.

Replacing the Image Drum