Troubleshooting

Examples of poor print

Recommendation

quality

 

 

 

 

 

 

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

 

 

 

 

 

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

ABCDEFGH

 

 

uu Cleaning the drum unit uu page 55

 

abcdefghijk

Make sure that you use paper that meets our specifications.

A B C D

 

 

 

 

 

a b c d e

uu Acceptable paper and other print media uu page 19

0 1 2 3 4

 

 

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

 

 

 

 

 

the surface of the drum.

Black toner marks across the

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

 

page

may be damaged.

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

uuReplacing the toner cartridge uu page 40

The drum unit may be damaged. Put in a new drum unit.

uuReplacing the drum unit uu page 46

Clean the corona wire inside the drum unit by sliding the green tab.

uuCleaning the corona wire uu page 53

ABCDEFGH

Make sure the green tab of the corona wire is at the home position (a).

 

abcdefghijk

 

A B C D

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

 

a b c d e

uu Replacing the toner cartridge uu page 40

 

0 1 2 3 4

The drum unit may be damaged. Put in a new drum unit.

B

Black lines down the page

uu Replacing the drum unit uu page 46

 

 

 

Printed pages have toner

The fuser unit may be contaminated.

 

smudges down the page

Call your Brother customer service for support.

 

 

 

Make sure that foreign material such as a torn piece of paper, sticky

 

 

notes or dust is not inside the machine and around the drum unit and

ABCDEFGH

toner cartridge.

abcdefghijk

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

A B C D

uu Replacing the toner cartridge uu page 40

a b c d e

The drum unit may be damaged. Put in a new drum unit.

0 1 2 3 4

 

 

uu Replacing the drum unit uu page 46

 

 

White lines down the page

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