103
Gray or colored
background
• Toner cartridge is not installed
properly.
• Pull out the toner cartridge tray, remove
the toner cartridge, then insert the toner
cartridge, and insert the toner cartridge tray.
• 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
9.2.2 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.
• For proper use of media within the
specification range, please refer to Section
2 .
• Depending on your operating system,
adjust the toner density from “Printing
Preferences” or “Print” dialog according to
your operating system; or adjust the print
density on the printer control panel.
• 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 9.2.2 for the setting
mode.
• Toner cartridge is not installed
properly.
• The developing unit of the
missing color is not installed
properly.
• Pull out the toner cartridge tray, remove
the toner cartridge, then insert the toner
cartridge, and insert the toner cartridge tray.
• Please remove the developing unit of the
missing color and re-insert it.
• The toner cartridge is dirty or
leaks toner.
• The print media does not meet
the usage specification. For
example, the print media is
textured, damp, or too rough.
• The paper used has been
stored in the air for a prolonged
• Please contact the customer service
center.
• For proper use of media within the
specification range, please refer to Section
2 .
• Keep the paper in its original wrapper
before use.