Canon IPF670 - The Surface of the Paper Is Dirty; The Back Side of the Paper Is Dirty

Cause Corrective Action
A cut line is printed because CutDus-
tReduct. is On in the Control Panel
menu to reduce cutting dust.
If this function is not needed, set CutDustReduct. to Off in the Control Panel menu.
(See "Menu Settings.") ➔P.458
The Printhead is set too low in the Con-
trol Panel menu.
In the Control Panel menu, set Head Height to Automatic.
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔ P.532
You are printing on heavyweight paper
or paper that curls or wrinkles easily af-
ter absorbing ink.
For paper-based media such as Heavyweight Coated Paper, set the VacuumStrngth to
Strong or Strongest in the Control Panel menu. If the paper still rubs against the printhead,
set the Head Height in the Control Panel menu to a higher value than the current setting.
(See "Adjusting the Vacuum Strength.") ➔ P.539
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔ P.532
For film-based media such as Tracing Paper, set the VacuumStrngth to Standard, Strong
or Strongest in the Control Panel menu. If the paper still rubs against the printhead, set the
Head Height in the Control Panel menu to a higher value than the current setting.
(See "Adjusting the Vacuum Strength.") ➔ P.539
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔ P.532
The Ejection Guide is soiled. Clean the Ejection Guide.
(See "Cleaning the Printer Exterior.") ➔P.563
The surface of the paper is dirty
The surface of the paper is dirty
Cause Corrective Action
The Paper Retainer is soiled. Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.") ➔ P.563
You are using a paper that does
not dry easily.
In the Control Panel menu, set Roll DryingTime to at least 1 min.
(See "Menu Settings.") ➔P.458
When paper that does not dry easily is used for printing, it may curl during printing and touch the
Output Tray.
In this case, in the Control Panel menu, complete the settings for Dry time and Area in Scan Wait
Time.
However, note that printing will now take longer.
(See "Menu Settings.") ➔P.458
The back side of the paper is dirty
The back side of the paper is dirty
Cause Corrective Action
The Platen has become dirty after borderless printing
or printing on small paper.
Open the Top Cover and clean the Platen.
(See "Cleaning Inside the Top Cover.") ➔ P.563
The Platen has become soiled because you have set
Width Detection to Off in the Control Panel menu.
Set Width Detection to On in the Control Panel menu, and then open the Top
Cover and clean the Platen.
(See "Cleaning Inside the Top Cover.") ➔ P.563
Open the Top Cover and clean the Platen. After this, manually advance the roll
onto the Platen before printing.
(See "Cleaning Inside the Top Cover.") ➔ P.563
(See "Feeding Roll Paper Manually.") ➔P.366
The Paper Retainer is soiled. Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.") ➔ P.563
BordlessOversize is set to Standard in the Control
Panel menu.
Set BordlessOversize to Little in the Control Panel menu.
(See "Menu Settings.") ➔P.458
The surface of the paper is dirty
iPF670
User's Guide
Troubleshooting Problems with the printing quality
592