OKI CX2633 Manual De Usuario

Troubleshooting > 151

Vertical white lines can 
be seen on the printed 
page.

The LED head is dirty.

Wipe the LED head with a soft, lint-free 
cloth.

The toner is low.

Open the top cover and tap the 
cartridge a few times to evenly 
distribute any remaining toner. If 
symptoms persist, replace the toner 
cartridge.

Foreign materials may be 
present in the image drum.

Replace the image drum cartridge.

Light-shielding film of the 
image drum cartridge is dirty.

Wipe the film with a soft, lint-free 
cloth.

Printed images are 
fading vertically.

The LED head is dirty.

Wipe the LED head with a soft, lint-free 
cloth.

The toner is low.

Open the top cover and tap the 
cartridge a few times to evenly 
distribute any remaining toner. If 
symptoms persist, replace the toner 
cartridge.

The paper is not suitable for 
the printer unit.

Use recommended paper.

Printing is light.

The toner cartridge is not 
properly seated.

Reinstall the toner cartridge.

The toner is low.

Open the top cover and tap the 
cartridge a few times to evenly 
distribute any remaining toner. If 
symptoms persist, replace the toner 
cartridge.

The paper is moist.

Use paper stored in proper 
temperature and humidity conditions.

The paper is not suitable for 
the printer unit.

Use recommended paper.

Thickness and type of paper 
are inappropriate.

Set a proper value for Media Weight 
and Media Type in the Paper Setup 
menu, or set one value thicker for 
Media Weight.

Recycled paper is being used.

Set one value thicker for Media Weight 
in the Paper Setup menu.

Partially faded images. 
White spots and lines 
appear in solid 
printing.

Paper is moist or dry.

Use paper stored in proper 
temperature and humidity conditions.

Vertical lines appear.

The image drum cartridge is 
damaged.

Replace the image drum cartridge.

The toner is low.

Open the top cover and tap the 
cartridge a few times to evenly 
distribute any remaining toner. If 
symptoms persist, replace the toner 
cartridge.