Cleaning The Laser Unit - Sharp MX-C312 Operation Manual

CLEANING THE LASER UNIT

When the laser unit inside the machine becomes dirty, line patterns (coloured lines) may form in the printed image.
Follow the steps below to clean the laser unit.
Identifying lines (coloured lines) caused by a dirty laser unit
• Coloured lines always appear in the same place. (The lines are never black.)
• The coloured lines are parallel to the direction of paper feeding.
• Coloured lines appear not only on copies but also on print jobs from a computer. (The same lines appear on both copies
and print jobs.)
1
2
3
4
If the cleaner is dirty, remove the cleaner and replace it with a clean one. For the procedure for replacing the cleaner,
see steps 5 through 7. If the cleaner is not dirty, go to step 8.
Direction of
paper feeding
Coloured line
Press the [POWER] key (
operation panel to turn off the panel
power, and then switch the main power
switch to the off position.
Open the front cover and remove the
toner collection container.
☞
REPLACING THE TONER COLLECTION
CONTAINER
Remove the cleaning tool for the writing
unit from the front cover.
Make sure that the cleaner at the tip of
the cleaning tool is not dirty.
Cleaner
1-72
BEFORE USING THE MACHINE
) on the
(page 1-52)
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