Print quality problems

Print quality problems

Many print quality problems can be solved by replacing a supply or maintenance item that has reached the end of its intended life. See the following table to find solutions to print quality problems.

Symptom

Cause

Solution

 

 

 

White lines

• The printhead lens is dirty.

Try the following in the order listed:

 

• Either the toner cartridge or the

1

Clean the printhead lens.

 

fuser is defective.

 

 

(See Cleaning the printhead lens

ABCDE

 

 

on page 91.)

 

2

Replace the toner cartridge.

ABCDE

 

3

Replace the fuser*.

 

 

 

ABCDE

 

 

 

Streaked horizontal lines

The toner cartridge or fuser may be

Replace the toner cartridge or fuser*

 

defective, empty, or worn.

as needed.

ABCDE

 

 

 

ABCDE

 

 

 

ABCDE

 

 

 

Streaked vertical lines

• Toner is smeared before fusing to

If paper is stiff, try feeding from

 

the paper.

 

another tray or the manual feeder.

 

• The toner cartridge is defective.

Replace the toner cartridge.

ABCDE

 

 

 

ABCDE

 

 

 

ABCDE

 

 

 

Print irregularities

• Paper has absorbed moisture due

Load paper from a fresh package

 

to high humidity.

 

into the paper tray.

 

• Paper that does not meet the printer

Avoid textured paper with rough

ABCDE

specifications is being used.

 

finishes.

• The fuser is worn or defective.

Make sure the printer driver paper

ABCDE

 

type setting matches the type of

 

Replace the fuser*.

 

 

 

paper being used.

ABCDE

 

 

 

*To replace the fuser, call a service technician.

This setting can be changed using the Local Printer Settings Utility.

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Lexmark 250dn manual Print quality problems