58
White spots
• The print media does not meet
the usage specifications, for
example the media is damp or
too rough, or has been used
previously.
• The paper path is dirty.
• The drum inside toner
cartridge is damaged.
• Please use the print media
within the specification range.
• Clean the paper path.
• It is suggested to replace the
original toner cartridge.
• The print media does not
meet the usage specifications,
for example the media is damp
or too rough or has been used
previously.
• The printing paper medium
set, and paper medium
placed are not consistent.
Toner comes off • The inside of the printer is dirty.
• Toner cartridge is damaged.
• The parts inside the printer are
damaged.
• Please use printing medium
within the specification scope
and use manual feed tray for
printing in case of special
medium.
• Please print with the
corresponding paper
medium.
• Clean the inside of the printer.
• It is suggested to replace
the original toner cartridge.
Black vertical
stripes
• Dirty toner cartridge
• Damaged inner parts of
toner cartridge.
• Dirty glass on the 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.
Black/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
Cyclical
traces appear
• Dirty toner cartridge.
• Damaged inner parts of
toner cartridge.
• The fuser component is damaged.
• Clean or replace toner cartridge.
• Please contact a customer
service center to replace a
new fuser assembly.
Summary of Contents for DX-B351PL
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