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The back of the
printout is dirty
• The laser toner cartridge is dirty.
• The transfer roller inside the printer is
dirty.
• The transfer voltage inside the printer is
abnormal.
• Clean the laser toner cartridge or
replace it with a new one.
• Clean the internal transfer
components of the printer.
• The laser toner cartridge is installed
incorrectly.
• The internal part of the laser toner
cartridge is damaged.
• Abnormal charge inside the printer; the
laser toner cartridge is not charged.
• Ensure to install the cartridge
correctly.
The toner does not
adhere to the paper
• The print media that does not meet
usage specification, such as the media is
damp or too rough.
• The inside of the printer is dirty.
• The laser toner cartridge is damaged.
• The internal part of the printer is
damaged.
• Please use the print media within
the specification range.
• Clean the inside of the printer.
• The laser toner cartridge is incorrectly
installed.
• The laser toner cartridge might be
damaged.
• The internal part of the printer is
damaged.
• Ensure to install the cartridge
correctly.
• Failures above can be improved by cleaning or replacing toner cartridge. Please contact
customer services center if the problem can still not be solved.