The Surface Of The Paper Is Dirty; The Back Side Of The Paper Is Dirty; Printed Colors Are Inaccurate; Banding In Different Colors Occurs - Canon imagePROGRAF iPF765 User Manual

The surface of the paper is dirty

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 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 Control Panel menu.
The Paper Retainer is soiled.

Printed colors are inaccurate

Printed colors are inaccurate
Color adjustment has not been activated in the Advanced
Settings of the printer driver.
Colors have not been adjusted on the computer or moni-
tor.
The Printhead nozzles are clogged.
In the Windows printer driver, Application Color Match-
ing Priority is not selected.
Printhead characteristics gradually change through repea-
ted use, and colors may change.
Color may change slightly even on the same model of
printer if you use a different version of the firmware or
printer driver, or when you print under different settings or
in a different printing environment.
608

Banding in different colors occurs

Banding in different colors occurs
The paper feed amount is out of adjust-
ment.
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.")
Cause
Cause
Cause
Adjust the feed amount.
(See "Adjusting the Feed Amount.")
Corrective Action
→P.584
→P.450
→P.450
Open the Top Cover and clean the Platen.
(See "Cleaning Inside the Top Cover.")
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.")
Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.")
In the Advanced Settings of the printer driver, access Color Settings in
Color Mode to adjust colors.
Refer to the computer and monitor documentation to adjust the colors.
Adjust the settings of the color management software, referring to the soft-
ware documentation as needed.
Print a test pattern to check the nozzles and see if they are clogged.
(See "Checking for Nozzle Clogging.")
Click Special Settings on the Layout sheet of the printer driver and select
Application Color Matching Priority in the dialog box.
Adjust the Printhead alignment.
(See "Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.).")
→P.548
(See "Manual Adjustment to Straighten Lines and Colors (Head Posi. Adj.).")
→P.549
Follow these steps to prepare the printing environment.
1.
Use the same version of firmware or printer driver.
2.
Specify the same value for all settings items.
Corrective Action
→P.555
Corrective Action
→P.584
→P.584
→P.584
→P.409
→P.584
Corrective Action
→P.570
iPF765
User's Guide