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Troubleshooting and routine maintenance
125
C
Offset image
Check the machine’s environment. Conditions such as high
temperatures and high humidity can cause this problem. (See
Choosing a location on page 96.)
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other media on page 11.)
Make sure that you choose the proper media type in the printer driver
or in the machine’s Paper Type menu setting. (See Acceptable paper
and other media on page 11 and Basic tab in the Software User’s
Guide on the CD-ROM.)
Change to the recommended type of paper. (See Recommended
paper on page 11.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 174.)
Poor fixing
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other media on page 11.)
Make sure that you choose the proper media type in the printer driver
or in the machine’s Paper Type menu setting. (See Acceptable paper
and other media on page 11 and Basic tab in the Software User’s
Guide on the CD-ROM.)
Make sure that the release lever of the fuser unit is in the closed
position.
Call Brother Customer Service to replace the fuser unit.
Poor fixing when printed on
thick paper
Choose Thick paper mode in the printer driver or in the machine’s
Paper Type menu setting. (See Paper type on page 22 and Basic tab
in the Software User’s Guide on the CD-ROM.)
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other media on page 11.)
Examples of poor print
quality
Recommendation
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ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.