Pantum M7310DN Series

132
Black vertical stripes
• Dirty toner cartridge.
• Damaged inner parts of toner cartridge.
• The reflective glass of the laser inside
the printer is dirty.
• The paper path is dirty.
• If black vertical stripes appear when
copying or scanning, the scanner or the
platen glass may be dirty.
• Scanner Light bulb has smudges.
• The scanner is damaged.
• Clean or replace toner
cartridge
• Clean the mirror of the laser at
the back of the printer.
• Clean the feed path of printer.
• Clean the scanner or the
platen glass.
Black background(gray
background)
• The print media that does not meet
usage specification is used. For
example, the media is damp or too
rough.
• Dirty toner cartridge
• Damaged inner parts of toner cartridge.
• The paper path is dirty.
• The transfer voltage inside the printer is
abnormal.
• Scanning exposure.
• If black background or gray background
appears when copying and scanning, the
platen glass may be dirty.
• Please use the print media
within the specification range.
• Clean or replace toner
cartridge
• Clean the paper path inside
the printer.
• Please close the cover on the
manuscript, and then carry out
copying and scanning.
• Clean the platen glass.
Cyclical traces appear
• Dirty toner cartridge.
• 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.
Skewed pages
• The printer paper isn’t put properly.
• The feed channel of the printer is dirty.
• Make sure the print paper is
placed correctly.
• Clean the paper path inside
the printer.
Wrinkled paper
• The printer paper isn’t put properly.
• The print media does not meet the
usage specification.
• The feed channel of the printer is dirty.
• The fuser component is damaged.
• Make sure the print paper is
placed correctly.
• Please use print media within
the specification range.
• Clean the paper path inside
the printer.
• Please contact customer
services center to replace to a