Cause Corrective ActionThe Platen has become dirty after borderless print-ing or printing on small paper. Set CarriageScanWdth to Fixed.The Platen has become soiled due to printing onthe Platen because width detection is deactivated.Activate width detection, and open the Top Cover and cleanthe Platen.(See "Cleaning Inside the Top Cover.") →P.781Open the Top Cover and clean the Platen. After this, manuallyadvance the roll onto the Platen before printing.(See "Cleaning Inside the Top Cover.") →P.781(See "Feeding Roll Paper Manually.") →P.595The Paper Retainer is soiled. Clean the Paper Retainer.(See "Cleaning Inside the Top Cover.") →P.781Printed colors are inaccurateCause Corrective ActionColor adjustment has not been activated in theAdvanced Settings of the printer driver.In the Advanced Settings of the printer driver, access ColorSettings in Color Mode to adjust colors.Colors have not been adjusted on the computeror monitor.Refer to the computer and monitor documentation to adjust thecolors.Adjust the settings of the color management software, referringto 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.763In the Windows printer driver, Application Col-or Matching Priority is not selected.Click Special Settings on the Layout sheet of the printer driverand select Application Color Matching Priority in the dialogbox.Printhead characteristics gradually changethrough repeated use, and colors may change.Adjust the Printhead alignment.(See "Automatic Straightening of Lines and Colors (AutoHead Adj.).") →P.623(See "Manual Straightening of Lines and Colors (ManualHead Adj).") →P.625Color may change slightly even on the samemodel of printer if you use a different version ofthe firmware or printer driver, or when you printunder different settings or in a different printingenvironment.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 occursCause Corrective ActionThe paper feed amount is out of ad-justment.Adjust the feed amount.(See "Adjusting the Feed Amount.") →P.631Printing does not proceed smoothlybecause print jobs are interruptedduring transmission.Exit other applications and cancel other print jobs.In the printer menu, Print Lengthis specified in Feed Priority.Selecting Band Joint may improve printing results.Adjust the feed amount in the printer menu by specifying Band Joint inFeed Priority and try printing again.Troubleshooting > Problems with the printing quality >iPF815 Printed colors are inaccurate12811