Important – Brother HL-L9200CDWT User Manual

Page 206

Troubleshooting

199

White streaks or bands down the

page



Wipe the scanner windows with a dry, soft, lint-free cloth (see Cleaning the
inside of the machine on page 156.)



Make sure that foreign material such as a torn piece of paper, sticky note or
dust is not inside the machine and around the drum unit and toner cartridge.

Colored streaks or bands down

the page



Clean all four corona wires inside the drum unit by sliding the blue tabs
(see Cleaning the corona wires on page 160).

IMPORTANT

Make sure the blue tabs of the corona wires are at the home position (1).



Replace the toner cartridge that matches the color of the streak or band
(see Replacing the toner cartridges on page 128). To identify the color of the
toner cartridge, visit http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.



Install a new drum unit (see Replacing the drum unit on page 133).

Examples of poor print quality

Recommendation

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