CLEANING THE LASER UNIT
When the laser unit inside the machine becomes dirty, line patterns may form in the printed image. Follow the steps below to clean the laser unit.
Identifying lines (white) caused by a dirty laser unit
• White lines always appear in the same place.
• The white lines are parallel to the direction of paper feeding.
Direction of paper feeding
White line
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Press the [POWER] key (
) on the 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.
Do not point the holes down as used toner will spill out.
Remove the cleaning tool for the writing unit from the front cover.
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