78
White Spots on black text
and graphics at 3.7 in.
(94 mm) intervals
Black Spots at 3.7 in.
(94 mm) intervals
Make ten copies of a blank, white sheet of paper. (See Making
multiple copies on page 32.) If the problem is not solved, the drum
unit may have glue from a label stuck on the OPC drum surface.
Clean the drum unit. (See Cleaning the drum unit on page 98.)
The drum unit may be damaged. Put in a new drum. (See Replacing
the drum unit on page 103.)
Faint
Check the machine’s environment. Conditions such as humidity, high
temperatures, and so on, may cause this print fault. (See Choosing a
location on page 52.)
If the whole page is too light, Toner Save mode may be on. Turn off
Toner Save mode in the machine menu settings or Toner Save
mode in the printer Properties of the driver. (See Toner Save
on page 24 or Advanced tab in the Software User’s Guide on the CD-
ROM.)
Clean the scanner window and the corona wire of the drum unit. (See
Cleaning the laser scanner window on page 95 and Cleaning the
corona wire on page 96.)
The toner cartridge may be damaged. Put in a new toner cartridge.
(See Replacing a toner cartridge on page 101.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 103.)
Examples of poor print
quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
DE
ef
c
2
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General
Weight and Dimensions
