Brother International HL-6050DN Users Manual - English - Page 152

Black toner marks, across the White lines across the Examples of poor print quality

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Examples of poor print quality ABCDEFGH abcdefghijk ABCD abcde 01234 Black toner marks across the page ABCDEFGH abcdefghijk ABCD abcde 01234 Recommendation ■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 5-8. ■ Make sure that you use paper that meets our specifications. See What kind of paper can I use? on page 1-5. ■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. See Cleaning the inside of the printer on page 5-15. ■Do not use paper that has clips or staples because they will scratch the surface of the drum. ■If the unpacked drum unit is in direct sunlight or room light, the unit may be damaged. ■ The problem may disappear by itself. Print multiple pages to clear this problem, especially if the printer has not been used for a long time. ■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 5-8. White lines across the page TROUBLESHOOTING 6 - 20

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TROUBLESHOOTING
6 - 20
Black toner marks
across the page
■
The drum unit may be damaged. Put in a new drum unit. See
Replacing
the drum unit
on page 5-8.
■
Make sure that you use paper that meets our specifications. See
What kind
of paper can I use?
on page 1-5.
■
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. See
Cleaning the inside of the printer
on page 5-15.
■
Do not use paper that has clips or staples because they will scratch the
surface of the drum.
■
If the unpacked drum unit is in direct sunlight or room light, the unit may
be damaged.
White lines across the page
■
The problem may disappear by itself. Print multiple pages to clear this
problem, especially if the printer has not been used for a long time.
■
The drum unit may be damaged. Put in a new drum unit. See
Replacing
the drum unit
on page 5-8.
Examples of poor print quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234