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5 - 9 TROUBLESHOOTING
Vertical stripes Is the toner cartridge properly installed in
the printer?
Make sure that the toner cartridge is
properly installed.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
Dirt may be on the laser window. Clean the laser window.
The toner cartridge, transfer roll cartridge,
or fuser unit is old or damaged.
Check the toner cartridge, transfer roll
cartridge and fuser unit and replace them
as necessary.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
See Replacing the Fuser Unit & Transfer
Roll Cartridge (FP-8000) on page 6-5.
Creased paper Is the paper damp? Replace the paper.
See Loading Paper and Printing on page
2-9.
Is the media suitable?
Are you using warped paper?
Replace the media with a recommended
size and type, and confirm that your printer
driver settings are correct.
See Suitable and Unsuitable Paper Types
on page 2-1.
Is the paper tray properly inserted into the
printer?
Push the paper tray completely back into
the printer.
Is there paper or a foreign object jammed in
the printer?
Turn the power off and remove the jammed
paper or foreign object.
If you cannot remove the obstruction, turn
the printer off and contact your dealer or
Brother Customer Service. Do not attempt
to disassemble the printer.
Is the fuser unit or transfer roll cartridge
properly installed in the printer?
Make sure that the transfer roll cartridge
and fuser unit are properly installed.
See Replacing the Fuser Unit & Transfer
Roll Cartridge (FP-8000) on page 6-5.
Symptom Possible Cause Action