Trouble Cause Solution
Whole page dark
Toner smudges on
paper
Horizontal stripes
• 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.
• The print media that does not
meet usage specifications, such
as the media is damp or too rough,
has been used.
• The inside of the printer is dirty.
• The laser toner cartridge is
damaged.
• The internal part of the printer is
damaged.
• The laser toner cartridge is
installed incorrectly.
• The laser toner cartridge might be
damaged.
• The internal part of the printer is
damaged.
• Check if the cartridge was
installed correctly.
• We recommend that you
replace the toner cartridge and
use an original one.
• Please use the print media
within the specification range.
• Clean the inside of the printer.
• Check if the cartridge was
installed correctly.
Note: • The above troubles can be handled by cleaning or replacing the laser toner
cartridge. If the problem remains, please contact SHARP Customer Service.