Symptom

Cause

Solution

 

 

 

 

Image

The laser lens is dirty.

Clean the laser lens.

defects.

 

 

The toner cartridge is

Remove the toner cartridge and check

 

 

 

 

leaking.

for damage. If it is damaged, replace it.

 

 

 

 

 

 

The toner cartridge is

Remove the toner cartridge with the

 

 

defective.

color causing the abnormal image.

 

 

 

Replace it with a new toner cartridge.

 

 

 

 

 

 

 

 

 

 

 

 

Lateral lines

The printer is not

Put the printer on a flat, hard, level sur-

or bands

level.

face not to exceed ±1° slant in any

appear on

 

direction.

image.

 

 

The media path is

Print several sheets and the excess

 

 

 

 

dirty with toner.

toner should disappear.

 

 

 

 

 

 

One or more of the

Remove the toner cartridge and check

 

 

toner cartridges are

for damage. If it is damaged, replace it.

 

 

defective.

 

 

 

 

 

 

 

 

 

 

 

 

 

Colors look

One or more of the

Remove the toner cartridges and verify

drastically

toner cartridges are

that the toner is distributed evenly on

wrong.

defective.

each cartridge roller, and reinstall the

 

 

 

toner cartridges.

 

 

 

 

 

 

One or more of the

Check the control panel for an X

 

 

toner cartridges are

TONER LOW or TONER EMPTY X

 

 

low or empty.

message. If necessary, replace the

 

 

 

specified toner cartridge.

 

 

 

 

Colors are

The front cover is not

Make sure that the printer’s front cover

not register-

properly closed.

is closed.

ing properly;

 

 

One or more of the

Remove the toner cartridge and check

colors are

toner cartridges are

for damage. If it is damaged, replace it.

mixed or

defective.

 

have page-

 

 

 

The media is moist

Remove the moist media and replace it

to-page vari-

ation.

from humidity.

with new, dry media.

 

 

 

 

 

 

116

Solving Problems with Printing Quality