Cause Corrective Action
Application Color Matching Priority is set to Off in
the Windows printer driver.
(See "Layout Sheet (Windows).") ➔P.181
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.
2.
Specify the same value for all settings items.
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.") ➔P.531
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. Priority
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.") ➔P.531
The Printhead is out of alignment. Adjust the Printhead alignment.
(See "Automatic Adjustment to Straighten Lines and Colors.") ➔ P.524
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.549
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 Fast 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.") ➔ P.58
The type of paper specified in the printer
driver does not match the type loaded in
the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.373
(See "Loading Sheets in the Printer.") ➔ P.392
Make sure the same type of paper is specified in the printer driver as you have loaded in the
printer.
1.
Press the Stop button and stop printing.
2.
Change the type of paper in the printer driver and try printing again.
Colors in printed images are uneven
Colors in printed images are uneven
Cause Corrective Action
Line Drawing/Text is selected when
printing images in many solid colors.
In Print Priority in the Advanced Settings of the printer driver, choose Image.
You are printing on paper that curls easi-
ly.
Printed colors may appear uneven on the leading edge of paper that is susceptible to curling.
Select a stronger level in VacuumStrngth in the Control Panel menu to increase suction
against the paper, or specify a leading margin of 20 mm (0.79 in) or more.
(See "Adjusting the Vacuum Strength.") ➔ P.537
Printed colors may be uneven if you set
the Print Quality too low.
Choose a higher level of Print Quality in the Advanced Settings of the printer driver.
Printing in Fast 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.") ➔ P.58
Color may be uneven between dark and
light image areas.
Select Unidirectional Printing in the Advanced Settings of the printer driver.
Banding in dierent colors occurs
iPF680
User's Guide
Troubleshooting Problems with the printing quality
594
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