Cause Corrective ActionYou are printing on heavyweight paper orpaper that curls or wrinkles easily after ab-sorbing ink.(See "Troubleshooting Paper Abrasion and Blurry Images.") →User's GuideWhen printing on CAD Tracing Paper or other film-based media, choose a VacuumStrngthsetting of Standard, Strong, or Strongest in the Control Panel menu. If rubbing still occurs,in the Control Panel menu, use a higher Head Height setting.(See "Adjusting the Vacuum Strength.") →User's Guide(See "Troubleshooting Paper Abrasion and Blurry Images.") →User's GuideThe Ejection Guide is soiled. Clean the Ejection Guide.(See "Cleaning the Printer Exterior.") →User's GuideThe surface of the paper is dirtyThe surface of the paper is dirtyCause Corrective ActionThe Paper Retainer is soiled. Clean the Paper Retainer.(See "Cleaning Inside the Top Cover.") →P.46You are using a paper that doesnot dry easily.In the Control Panel menu, set Roll DryingTime to at least 1 min.(See "Menu Settings.") →User's GuideWhen paper that does not dry easily is used for printing, it may curl during printing and touch the Out-put Tray.In this case, in the Control Panel menu, complete the settings for Dry time and Area in Scan WaitTime.However, note that printing will now take longer.(See "Menu Settings.") →User's GuideThe back side of the paper is dirtyThe back side of the paper is dirtyCause Corrective ActionThe Platen has become dirty after borderless printing or printing onsmall paper.Open the Top Cover and clean the Platen.(See "Cleaning Inside the Top Cover.") →P.46The Platen suction is too strong. In the Control Panel menu, reduce the level of VacuumStrngth.(See "Adjusting the Vacuum Strength.") →User's GuideBordlessOversize is set to Standard in the Control Panel menu. Set BordlessOversize to Little in the Control Panel menu.(See "Menu Settings.") →User's GuideRoller marks are left across the trailing edge of paperRoller marks are left across the trailing edge of paperCause Corrective ActionThe paper was removed without pressing the OK buttonafter printing from the Front Paper Feed Slot.Following the instructions displayed, press the OK button, and after removingthe paper, press the OK button again.Wipe the rollers to clean them.(See "Cleaning Inside the Top Cover.") →P.46(See "Cleaning the Paper Retainer.") →User's GuideImmediately after borderless printing, the trailing edge margin is soiled during regular printingImmediately after borderless printing, the trailing edge margin is soiled during regular printingCause Corrective ActionDepending on your printing environment, after bor-derless printing in which the leading and trailing edgeof the roll is cut automatically, any ink adhering to thecutter unit may rub off on the next printed document.Follow these steps to change the Between Pages setting of Drying Time to a val-ue between about 30 seconds and 3 minutes before trying borderless printingagain.1. On the Main sheet of the printer driver, click Advanced Settings by MediaType.2. Select an ink drying time in the list for the Between Pages setting of DryingTime.iPF6400 The surface of the paper is dirtyBasic GuideTroubleshooting Problems with the printing quality103