Printed colors are inaccurate, Banding in different colors occurs – Canon imagePROGRAF iPF6400 User Manual

Page 104

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Printed colors are inaccurate

Printed colors are inaccurate

Cause

Corrective Action

Color adjustment has not been activated in the Ad-
vanced Settings
of the printer driver.

In the Advanced Settings of the printer driver, access Color Settings in Color
Mode
to adjust colors.
(See "Main Sheet (Windows).")

→User's Guide

(See "Main Pane (Mac OS X).")

→User's Guide

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 clogged.
(See "Checking for Nozzle Clogging.")

→User's Guide

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 Appli-
cation Color Matching Priority
in the dialog box.
(See "Layout Sheet (Windows).")

→User's Guide

There may be a slight difference in how colors are
printed after Printhead replacement because of indi-
vidual variation among printheads.

Execute color calibration.
(See "Color Calibration Using the Printer Sensor.")

→User's Guide

Printhead characteristics gradually change through
repeated use, and colors may change.

Execute color calibration.
(See "Color Calibration Using the Printer Sensor.")

→User's Guide

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 set-
tings or in a different printing environment.

Follow these steps to prepare the printing environment.

1.

Use the same version of firmware or printer driver.
(See "Updating the Firmware.")

→User's Guide

2.

Specify the same value for all settings items.

3.

Execute color calibration.
(See "Color Calibration Using the Printer Sensor.")

→User's Guide

Banding in different colors occurs

Banding in different colors occurs

Cause

Corrective Action

The paper feed amount is out of adjust-
ment.

Adjust the feed amount.
(See "Adjusting the Feed Amount.")

→User's Guide

If printed sheets are affected by banding in different colors by the trailing edge (about 20–30
mm (0.8–1.2 in) from the edge), try adjusting the feed amount of the trailing edge of sheets.
(See "Adjusting Color on the Trailing Edge of Sheets.")

→User's Guide

Printing does not proceed smoothly be-
cause print jobs are interrupted during
transmission.

Exit other applications and cancel other print jobs.

In the Control Panel menu, Adj. Priori-
ty
is set to Print Length.

Setting Adj. Priority to Print Quality in the Control Panel menu and adjusting the feed amount
may improve results.
(See "Adjusting the Feed Amount.")

→User's Guide

The Printhead is out of alignment.

Adjust the Printhead alignment.
(See "Automatic Adjustment to Straighten Lines and Colors.")

→P.85

The Printhead nozzles are clogged.

Print a test pattern to check the nozzles and see if they are clogged.
(See "Checking for Nozzle Clogging.")

→User's Guide

Streaks may occur if you set the Print
Quality
too low.

Choose a higher level of Print Quality in the Advanced Settings of the printer driver and try
printing again.
Printing in Draft or Standard mode is faster and consumes less ink than in Highest or High
modes, but the printing quality is lower.
(See "Giving Priority to Particular Graphic Elements and Colors for Printing.")

→User's Guide

The type of paper specified in the print-
er driver does not match the type loa-
ded in the printer.

Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.")

→P.11

(See "Loading Sheets in the Feed Slot.")

→P.17

Printed colors are inaccurate

iPF6400

Basic Guide

Troubleshooting

Problems with the printing quality

104

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