Print quality problems

Problem / Question

Solution / Answer

Dust is gathering on the

Attach the dust cover to the back of the printer. This protects the paper tray from the

paper tray when it is

environment as well as keeping the tray from being knocked out of position while it is

extended.

extended.

 

See Attaching the dust cover for information about attaching the dust cover.

The paper tray is getting

 

bumped and pushed out

 

the front of the printer when

 

it is extended.

 

 

 

Print quality problems

You can solve many print quality problems by replacing a supply or maintenance item that has reached the end of its intended life. Use the following table to find solutions to print quality problems.

Symptom

Cause

Solution

White lines

• The printhead lens is dirty.

Try the following in this order:

 

• Either the toner cartridge or the

1

Clean the printhead lens.

 

fuser is defective.

 

 

(See How to clean the printhead

ABCDE

 

 

lens on page 105.)

 

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

 

 

 

*To replace the fuser, call a service technician.

This setting can be changed using the Local Printer Setup Utility. See Using the Local Printer Setup Utility on page 87 for more information.

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Lexmark 240n manual Print quality problems