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• Dirty toner cartridge.
• Damaged inner parts of toner cartridge.
• Dirty combining glass of inner laser of
the machine.
• The paper path is dirty.
• Clean or replace toner cartridge.
• Clean the mirror of the laser at the
back of the printer.
• Clean the feed path of printer.
• Please use the “Clean & Fix”
function to clean the fuser unit of the
printer.
Black
background(gray
background)
• The print media does not meet the
usage specifications, for example the
media is damp or too rough, or has been
used previously.
• Dirty toner cartridge.
• Damaged inner parts of toner cartridge.
• The paper path is dirty.
• Abnormal internal transfer voltage of
printer.
• Please use the print media within
the specification range.
• Clean or replace toner cartridge.
• Clean the paper path inside the
printer.
• Damaged inner parts of toner cartridge.
• The fuser component is damaged.
• Clean or replace toner cartridge.
• Please contact customer services
center to replace to a new fuser
assembly.
• The print media has been loaded
incorrectly.
• The paper path of the printer is dirty.
• Ensure the correct loading of the
print media.
• Clean the paper path inside the
printer.
• The print media has been loaded
incorrectly.
• The print media does not meet the
usage specifications.
• The paper path of the printer is dirty.
• The fuser component is damaged.
• Ensure the correct loading of the
print media.
• Please use print media within the
specification range.
• Clean the paper path inside the
printer.
• Please contact customer services
center to replace to a new fuser
assembly.
• The transfer roller inside the printer is
dirty.
• The transfer voltage inside the printer
is abnormal.
• Clean or replace toner cartridge.
• Clean the internal transfer part of
the printer.
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