The Surface Of The Paper Is Dirty; The Back Side Of The Paper Is Dirty; Printed Colors Are Inaccurate - Canon IPF850 User Manual

iPF850
Cause
You are printing on heavyweight paper
or paper that curls or wrinkles easily af-
ter absorbing ink.
The Ejection Guide is soiled.

The surface of the paper is dirty

The surface of the paper is dirty
Cause
The Paper Retainer is soiled.
You are using a paper that does
not dry easily.
The Stacker is dirty.

The back side of the paper is dirty

The back side of the paper is dirty
Cause
The Platen has become dirty after borderless
printing or printing on small paper.
The Platen has become soiled because you
have set Width Detection to Off in the Control
Panel menu.
The Platen suction is too strong.
The Stacker is dirty.

Printed colors are inaccurate

Printed colors are inaccurate
Cause
Color adjustment has not been activated in the Ad-
vanced Settings of the printer driver.
User's Guide
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 print-
head, set the Head Height in the Control Panel menu to a higher value than the current
setting.
(See "Adjusting the Vacuum Strength.")
(See "Troubleshooting Paper Abrasion and Blurry Images.")
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 print-
head, set the Head Height in the Control Panel menu to a higher value than the current
setting.
(See "Adjusting the Vacuum Strength.")
(See "Troubleshooting Paper Abrasion and Blurry Images.")
Clean the Ejection Guide.
(See "Cleaning the Printer Exterior.")
Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.")
In the Control Panel menu, set Roll DryingTime to at least 1 min.
(See "Menu Settings.")
P.449
➔
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.449
➔
Clean the Stacker.
(See "Cleaning the Stacker.")
Open the Top Cover and clean the Platen.
(See "Cleaning Inside the Top Cover.")
In the Control Panel menu, set CarriageScanWdth to Fixed.
(See "Menu Settings.")
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.")
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.")
(See "Feeding Roll Paper Manually.")
In the Control Panel menu, reduce the level of VacuumStrngth.
(See "Adjusting the Vacuum Strength.")
Clean the Stacker.
(See "Cleaning the Stacker.")
In the Advanced Settings of the printer driver, access Color Settings in Col-
or Mode to adjust colors.
(See "Main Sheet (Windows).")
(See "Main Pane (Mac OS).")
Corrective Action
P.570
➔
P.570
➔
P.599
➔
Corrective Action
P.599
➔
P.601
➔
Corrective Action
P.599
➔
P.449
➔
P.599
➔
P.599
➔
P.357
➔
P.570
➔
P.601
➔
Corrective Action
P.166
➔
P.272
➔
The surface of the paper is dirty
P.562
➔
P.562
➔
635