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Maintenance and Specifications
Settings and Printing
Maintenance and Specifications
25
Troubleshooting
Horizontal lines appear
in intervals of 94 mm.
A small dust is bitten in the
gear of the photosensitive
drum.
Remove the dust from the gear
(see “Cleaning the
Photosensitive Drum” on page
31).
White and horizontal
lines appear on the
page.
The drum unit is damaged. Replace the drum unit.
The toner cartridge is
damaged.
Replace the toner cartridge.
The toner cartridge is stored for
a long period.
(Try shaking to loosen toner.)
Print several blank pages until
the lines disappear.
Try shaking to loosen toner.
Trouble Possible Cause Corrective Action
94 mm
94 mm
Dust
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