The Surface Of The Paper Is Dirty; The Back Side Of The Paper Is Dirty - Canon iPF850 series Basic Manual

The surface of the paper is dirty

Cause
The Printhead is set too low in the
Control Panel menu.
You are printing on heavyweight pa-
per or paper that curls or wrinkles
easily after 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
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 Con-
trol Panel menu.
The Platen suction is too strong.
The Stacker is dirty.
128
In the Control Panel menu, set Head Height to Automatic.
(See "Troubleshooting Paper Abrasion and Blurry Images.")
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.")
(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 printhead, 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.")
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.")
Clean the Stacker.
(See "Cleaning the Stacker.")
Cause
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 Cov-
er 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.")
Corrective Action
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Corrective Action
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Corrective Action
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P.62
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P.59
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User's Guide
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iPF850 Series
Basic Guide