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Cause Corrective Action
You are printing on heavyweight pa-
per or paper that curls or wrinkles
easily after absorbing ink.
For film-based media such as Tracing Paper, set the VacuumStrngth to Standard, Strong
or Strongest in the Control Panel menu. If the paper still rubs against the printhead, set the
Head Height in the Control Panel menu to a higher value than the current setting.
(See "Adjusting the Vacuum Strength.") ➔User's Guide
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔User's Guide
The Ejection Guide is soiled. Clean the Ejection Guide.
(See "Cleaning the Printer Exterior.") ➔User's Guide
The surface of the paper is dirty
The surface of the paper is dirty
Cause Corrective Action
The Paper Retainer is soiled. Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.") ➔P.42
You are using a paper that
does not dry easily.
In the Control Panel menu, set Roll DryingTime to at least 1 min.
(See "Menu Settings.") ➔User's Guide
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.") ➔User's Guide
The back side of the paper is dirty
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.42
The Platen has become soiled because you
have set Width Detection to Off in the Control
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.42
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.42
(See "Feeding Roll Paper Manually.") ➔User's Guide
The Paper Retainer is soiled. Clean the Paper Retainer.
(See "Cleaning Inside the Top Cover.") ➔P.42
Printed colors are inaccurate
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.
(See "Main Sheet (Windows).") ➔User's Guide
(See "Main Pane (Mac OS X).") ➔User's Guide
Colors have not been adjusted on the comput-
er 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
Application Color Matching Priority is set to
Off in the Windows printer driver.
Click Special Settings in the Layout sheet of the printer driver, and set Applica-
tion Color Matching Priority to On in the dialog box that is displayed.
(See "Layout Sheet (Windows).") ➔User's Guide
The surface of the paper is dirty
iPF780 Series
Basic Guide
Troubleshooting Problems with the printing quality
98