Canon imagePROGRAF iPF755 iPF755 User Manual Ver.1.30 - Page 857

The back side of the paper is dirty, Printed colors are inaccurate

Page 857 highlights

Cause You are using a paper that does not dry easily. Troubleshooting > Problems with the printing quality > Corrective Action 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.716 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 Paper Retainer is soiled. Corrective Action Open the Top Cover and clean the Platen. (See "Cleaning Inside the Top Cover.") →P.811 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.811 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.811 (See "Feeding Roll Paper Manually.") →P.640 Clean the Paper Retainer. (See "Cleaning Inside the Top Cover.") →P.811 Printed colors are inaccurate Cause Corrective Action Color adjustment has not been activated in the Advanced Settings of the printer driver. In the Advanced Settings of the printer driver, access Color Settings in Color Mode to adjust colors. Colors have not been adjusted on the computer or Refer to the computer and monitor documentation to adjust the monitor. colors. 12 Adjust the settings of the color management software, referring to the software documentation as needed. The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see if they are clogged. (See "Checking for Nozzle Clogging.") →P.795 In the Windows printer driver, Application Color Click Special Settings on the Layout sheet of the printer driver Matching Priority is not selected. and select Application Color Matching Priority in the dialog box. 841 Printhead characteristics gradually change through repeated use, and colors may change. Adjust the Printhead alignment. (See "Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.).") →P.665 (See "Manual Adjustment to Straighten Lines and Colors (Head Posi. Adj.).") →P.667 iPF755 The back side of the paper is dirty

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Cause
Corrective Action
You are using a paper that
does not dry easily.
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.716
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.811
The Platen has become soiled because you
have set
Width Detection
to
Off
in the Con-
trol 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.811
Open the Top Cover and clean the Platen. After this, manually ad-
vance the roll onto the Platen before printing.
(See "
Cleaning Inside the Top Cover
.")
→P.811
(See "
Feeding Roll Paper Manually
.")
→P.640
The Paper Retainer is soiled.
Clean the Paper Retainer.
(See "
Cleaning Inside the Top Cover
.")
→P.811
Printed colors are inaccurate
Cause
Corrective Action
Color adjustment has not been activated in the
Advanced Settings
of the printer driver.
In the
Advanced Settings
of the printer driver, access
Color Set-
tings
in
Color Mode
to adjust colors.
Colors have not been adjusted on the computer or
monitor.
Refer to the computer and monitor documentation to adjust the
colors.
Adjust the settings of the color management software, referring to
the software documentation as needed.
The Printhead nozzles are clogged.
Print a test pattern to check the nozzles and see if they are clog-
ged.
(See "
Checking for Nozzle Clogging
.")
→P.795
In the Windows printer driver,
Application Color
Matching Priority
is not selected.
Click
Special Settings
on the
Layout
sheet of the printer driver
and select
Application Color Matching Priority
in the dialog
box.
Printhead characteristics gradually change
through repeated use, and colors may change.
Adjust the Printhead alignment.
(See "
Automatic Adjustment to Straighten Lines and Colors
(Head Posi. Adj.)
.")
→P.665
(See "
Manual Adjustment to Straighten Lines and Colors
(Head Posi. Adj.)
.")
→P.667
Troubleshooting
>
Problems with the printing quality
>
iPF755
The back side of the paper is dirty
12
841