User's Guide
78
Trouble Cause Solution
Black background
(gray background)
Cyclical traces
appear
• The print media that does not
meet usage specifications, such
as the media is damp or too
rough, has been used.
• The laser toner cartridge is dirty.
• The internal part of the laser toner
cartridge is damaged.
• The feed channel is dirty.
• The transfer voltage inside the
printer is abnormal.
• The laser toner cartridge is dirty.
• The internal part of the laser toner
cartridge is damaged.
• The fuser component is damaged.
• The print media is loaded
incorrectly.
• The feed channel of the printer is
dirty.
• Please use the print media
within the specification range.
• Clean the feed channel inside
the printer.
• Clean the laser toner cartridge
or replace it with a new one.
• Please contact SHARP
Customer Service to repair or
replace the fuser component.
• Check if media was loaded
properly.
• Clean the feed channel inside
the printer.
Skewed pages
Wrinkled paper
Dirt on the back
• The print media is loaded
incorrectly.
• The print media does not meet
the usage specifications.
• The feed channel inside the
printer is dirty.
• The fuser component of the
printer is damaged.
• The laser toner cartridge is dirty.
• The transfer roller inside the
printer is dirty.
• The transfer voltage inside the
printer is abnormal.
• Check if media was loaded
properly.
• Please use the print media
within the specification range.
• Clean the feed channel inside
the printer.
• Clean the laser toner cartridge
or replace it with a new one.
• Clean the internal transfer
components of the printer.