Canon imagePROGRAF iPF8400 User Guide - Page 971
The surface of the paper is dirty, The back side of the paper is dirty
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iPF8400 The surface of the paper is dirty Cause The paper is wrinkled or warped. A cut line is printed because CutDustReduct. is On in the Control Panel menu to reduce cutting dust. The Printhead is set too low in the Control Panel menu. You are printing on heavyweight paper or paper that curls or wrinkles easily after absorbing ink. The Ejection Guide is soiled. Corrective Action (See "Loading Sheets in the Printer.") →P.561 If this function is not needed, set CutDustReduct. to Off in the Control Panel menu. (See "Menu Settings.") →P.673 In the Control Panel menu, set Head Height to Automatic. (See "Troubleshooting Paper Abrasion and Blurry Images.") →P.809 When printing on Canon Heavyweight Coated Paper or other paper-based media, choose a VacuumStrngth setting of 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.") →P.817 (See "Troubleshooting Paper Abrasion and Blurry Images.") →P.809 When printing on CAD Tracing Paper or other film-based media, choose a VacuumStrngth setting 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.") →P.817 (See "Troubleshooting Paper Abrasion and Blurry Images.") →P.809 Clean the Ejection Guide. (See "Cleaning the Printer Exterior.") →P.943 Troubleshooting The surface of the paper is dirty Cause The Paper Retainer is soiled. Corrective Action Clean the Paper Retainer. (See "Cleaning Inside the Top Cover.") →P.943 You are using a paper that does not In the Control Panel menu, set Roll DryingTime to at least 1 min. dry easily. (See "Menu Settings.") →P.673 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.") →P.673 Problems with the printing quality The back side of the paper is dirty Cause The Platen has become dirty after borderless printing or printing on small paper. Corrective Action Open the Top Cover and clean the Platen. (See "Cleaning Inside the Top Cover.") →P.943 In the Control Panel menu, set CarriageScanWdth to Fixed. (See "Menu Settings.") →P.673 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.943 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.943 (See "Feeding Roll Paper Manually.") →P.549 The Platen suction is too strong. In the Control Panel menu, reduce the level of VacuumStrngth. (See "Adjusting the Vacuum Strength.") →P.817 BordlessOversize is set to Standard in the Control Set BordlessOversize to Little in the Control Panel menu. 971 Panel menu. (See "Menu Settings.") →P.673 User's Guide