Troubleshooting

Examples of poor print

Recommendation

quality

 

■The drum unit may be damaged. Put in a new drum unit. See page 6-12.

■Make sure that you use paper that meets our specifications. See What kind of

 

 

 

paper can I use? on page 1-4.

6

ABCDEFGH

 

 

 

• If you use label sheets for laser printers, the glue from the sheets may

abcdefghijk

 

 

A B C D

 

sometimes stick to the OPC drum surface. Clean the drum unit. See page

 

 

 

 

 

 

a b c d e

6-12.

 

 

• Do not use paper that has clips or staples because they will scratch the

 

0 1 2 3 4

 

 

 

surface of the drum.

 

 

 

 

 

Black toner marks across the

• If the unpacked drum unit is in direct sunlight or room light, the unit may be

damaged.

page

 

■Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause the problem.

■Make sure that you select the appropriate media type in the printer driver.

ABCDEFGH

■ The problem may disappear by itself. Try printing multiple pages to clear this

abcdefghijk

problem, especially if the printer has not been used for a long time.

A B C D

■ The drum unit may be damaged. Put in a new drum unit. See Replacing the toner

a b c d e

cartridge on page 5-3.

0 1 2 3 4

 

White lines across the page

■Clean the inside of the printer and the primary corona wire in the drum unit. See Cleaning on page 5-11.

 

 

 

 

 

 

 

 

■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit on page 5-8.

ABCDEFGH

 

 

 

 

 

 

 

 

 

abcdefghijk

 

A B C D a b c d e 0 1 2 3 4

Lines across the page

■Clean the primary corona wire of the drum unit. See Cleaning the corona wire on page 5-14

■Make sure the primary corona wire cleaner is at the home position (▲).

ABCDEFGH

■ The drum unit may be damaged. Install a new drum unit. See Replacing the

abcdefghijk

drum unit on page 5-8.

A

C D

■ The toner cartridge may be damaged. Put in a new toner cartridge. See

a

c d e

Replacing the toner cartridge on page 5-3. Make sure that a torn piece of paper

0

2 3 4

is not inside the printer covering the scanner window.

■The fuser unit may be smudged. Call your dealer or Brother Customer Service.

Black lines down the page

Printed pages have toner stains down the page.

6 - 13