Brother DCP-9055CDN User Manual

Page 110

102

White streaks or bands down
the page



Wipe the laser scanner windows with a dry lint-free soft cloth. (See
Cleaning the laser scanner windows on page 62.)



Clean the drum unit. (See Cleaning the drum unit on page 70.)



Identify the missing colour and put in a new toner cartridge. (See
Replacing a Toner cartridge on page 35.)
To identify the colour of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Coloured streaks or bands
down the page



Clean all four corona wires (one for each colour) inside the drum unit
by sliding the green tab. (See Cleaning the corona wires on page 66.)



Make sure the corona wire green tabs are at their home positions (a).



Clean the scanner glass and scanner glass strip. (See Cleaning the
scanner glass on page 61.)



Replace the toner cartridge that matches the colour of the streak or
band. (See Replacing a Toner cartridge on page 35.)
To identify the colour of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.



Put in a new drum unit. (See Replacing the drum unit on page 42.)

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 35.)
To identify the colour of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.



If coloured lines appear at 94 mm intervals, put in a new drum unit.
(See Replacing the drum unit on page 42.)

White spots or hollow print



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 20 and
Basic tab in the Software User's Guide.)



Check the machine’s environment. Conditions such as high humidity
can cause white spots or hollow print. (See To use the product safety
in the Safety and Legal Booklet.)

Examples of poor print
quality

Recommendation

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