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82
White Spots on black text
and graphics at 3.7 in.
(94 mm) intervals
Black Spots at 3.7 in.
(94 mm) intervals
Make 10-15 copies of a blank, white sheet of paper. If the problem is
not solved after printing the blank pages, the drum unit may have
foreign material, such as glue from a label, stuck on the drum. Clean
the drum unit.
See Advanced User's Guide: Cleaning the drum unit.
The drum unit may be damaged. Put in a new drum unit.
See Replacing the drum unit uu page 47.
Black toner marks across the
page
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 Advanced User's Guide: Cleaning the drum unit.
Make sure that you use paper that meets our specifications.
See Acceptable paper and other print media uu page 18.
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 toner cartridge may be damaged. Put in a new toner cartridge.
See Replacing the toner cartridge uu page 39.
The drum unit may be damaged. Put in a new drum unit.
See Replacing the drum unit uu page 47.
Examples of poor print
quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
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