Brother DCP-9040CN Printer User Manual


 
Troubleshooting and routine maintenance
57
C
Uneven density appears
periodically across the page
Identify the color that is uneven and put in a new toner cartridge for
that color. (See Replacing a toner cartridge on page 96.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 101.)
Make sure that the fuser unit is installed properly.
Missing image at edge Make sure that the toner cartridges are installed properly. (See
Replacing a toner cartridge on page 96.)
Make sure that the drum unit is installed properly. (See Replacing the
drum unit on page 101.)
One of the toner cartridges may be damaged. Identify the missing
color and put in a new toner cartridge for the color with the white line.
(See Replacing a toner cartridge on page 96.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 101.)
Missing image at thin line
If you are using a Windows
®
printer driver, open Properties window,
and then click Printing Preferences. Choose the Advanced tab,
Device Options, Print Setting, and then check the Improve pattern
printing or Improve Thin Line boxes.
Wrinkle
Change to the recommended type of paper. (See Recommended
paper on page 9.)
Check the paper type and quality. (See Acceptable paper and other
media on page 9.)
Make sure that the back cover is closed properly.
Make sure that paper is loaded properly.
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 9 and Basic tab in the Software User’s
Guide on the CD-ROM.)
Turn over the stack of paper in the tray or rotate the paper 180° in the
input tray.
Make sure that the drum unit is installed properly. (See Replacing the
drum unit on page 101.)
Make sure that the fuser unit is installed properly.
Replace the fuser unit. Call Brother Customer Service.
Insufficient gloss Change to the recommended type of paper. (See Recommended
paper on page 9.)
Examples of poor print
quality
Recommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.