50 coloured lines across the page – Brother DCP-9010CN User Manual

Page 58

Coloured lines across the page

If coloured lines appear at 30 mm intervals, replace the toner
cartridge that matches the colour of the line. (See Replacing a Toner
cartridge on page 79.)

If coloured lines appear at 94 mm intervals, put in a new drum unit
that matches the colour of the line. (See Replacing the drum units
on page 86.)

White spots or hollow print

If the problem is not solved after printing a few pages, the drum unit
may be stained. Clean all four drum units. (See Small spots on the
printed pages in Cleaning the drum unit on page 70.)

Make sure that the media type settings in the printer driver and in the
machine's Paper Type menu matches the type of paper you are
using. (See Acceptable paper and other print media on page 16 and
Basic tab in the Software User's Guide on the CD-ROM.)

Check the machine’s environment. Conditions such as high humidity
can cause white spots or hollow print. (See Choosing a location
on page 36.)

Completely blank or some
colours are missing

Put in a new toner cartridge. (See Replacing a Toner cartridge
on page 79.)
You may only need to replace one toner cartridge to solve the print
problem. To identify which toner cartridge needs to be replaced,
please visit us at http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.

Put in a new drum unit. (See Replacing the drum units on page 86.)
You may only need to replace one drum unit to solve the print
problem. To identify which drum needs to be replaced, please visit us
at http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Coloured spots at 94 mm

If the problem is not solved after printing a few pages, the drum unit
may have glue from a label stuck on the drum surface. Clean the
drum unit. (See Large spots on the printed pages on page 72.)

Coloured spots at 30 mm

Identify the colour causing the problem and put in a new toner
cartridge. (See Replacing a Toner cartridge on page 79.)
You may only need to replace one toner cartridge to solve the print
problem. To identify which toner cartridge needs to be replaced,
please visit us at http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.

Examples of poor print
quality

Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

94 mm

30 mm
30 mm