Gray or colored
background
• Toner cartridge is not installed
properly.
• The paper path is dirty.
• Scanning exposure.
• If a gray or colored
background appears during
copying or scanning, the glass
platen may be dirty.
• Pull out the toner cartridge tray, remove
the toner cartridge, then insert the toner
cartridge, and insert the toner cartridge
tray.
• Clean the paper path.
• Please close the cover on the
manuscript, and then carry out copying
and scanning.
• Clean the platen glass.
• The tray fails to load the media
properly.
• The print margin is set
incorrectly.
• Load correct paper. Please refer to
Section 2.4 for the way to load paper
correctly.
• Please set the correct print margin.
• Perform the “Margin Calibrated” or “Fully
Calibrated” setting, please refer to Section
11.2.2 for the setting mode.
• A lower density is set when
printing.
• The print media does not meet
the usage specification. For
example, the print media is
textured, damp, or too rough.
• The resolution in the print
program is set too low, and the
density is set too low.
• The paper used has been
stored in the air for a prolonged
time.
• Toner cartridge is not installed
properly.
• Toner Save set is checked.
• Please correctly use the medium
conforming to the specifications. See
Section 2.
• Adjust the toner density from “Printing
Preferences” according to your operating
system, or by selecting “Print Density” on
the control panel, see Section 11.2.1 for
details.
• Keep the paper in its original wrapper
before use.
• Pull out the toner cartridge tray, remove
the toner cartridge, then insert the toner
cartridge, and insert the toner cartridge
tray.
• Please check whether the Toner Save
mode is enabled.
• Perform the “Fully Calibrated” setting,
please refer to Section 11.2.2 for the
setting mode.