Sharp MX-C311 Owner's Manual download pdf (Page 45)

REPLACING SUPPLIES AND MAINTENANCE

Cleaning the laser unit

When the laser unit inside the machine becomes dirty, line patterns (colored

lines) may form in the printed image. Follow the steps below to clean the laser

unit.

Identifying lines (colored lines) caused by a dirty laser unit

• Colored lines always appear in the same place. (The lines are never black.)

• The colored lines are parallel to the direction of paper feeding.

• Colored lines appear not only on copies but also on print jobs from a

computer. (The same lines appear on both copies and print jobs.)

Colored line

Direction of

paper feeding

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.

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Sharp MX-C311 Owner's Manual Page 45