Printed Colors Are Inaccurate - Canon iPF825 User Manual

Troubleshooting
The Platen has become dirty after borderless print-
ing or printing on small paper.
The Platen has become soiled due to printing on
the Platen because width detection is deactivated.
The Paper Retainer is soiled.

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 monitor.
The Printhead nozzles are clogged.
In the Windows printer driver, Application Col-
or Matching Priority is not selected.
Printhead characteristics gradually change
through repeated use, and colors may change.
12
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.
802
Banding in different colors occurs
The paper feed amount is out of ad-
justment.
Printing does not proceed smoothly
because print jobs are interrupted
during transmission.
In the printer menu, Print Length
is specified in Feed Priority.
Printed colors are inaccurate
> Problems with the printing quality
Cause
Cause
Cause
Adjust the feed amount.
Exit other applications and cancel other print jobs.
Selecting Band Joint may improve printing results.
Adjust the feed amount in the printer menu by specifying Band Joint in
Feed Priority and try printing again.
>
Set CarriageScanWdth to Fixed.
Activate width detection, and 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 software documentation as needed.
Print a test pattern to check the nozzles and see if they are clog-
ged.
(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 Straightening of Lines and Colors (Auto
Head Adj.).")
→P.627
(See "Manual Straightening of Lines and Colors (Manual
Head Adj).")
→P.629
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
(See "Adjusting the Feed Amount.")
Corrective Action
→P.772
→P.772
→P.603
→P.772
Corrective Action
→P.754
→P.635
iPF825