Cause Corrective ActionPrinting does not proceed smoothly be-cause print jobs are interrupted duringtransmission.Exit other applications and cancel other print jobs.In the Control Panel menu, Adj. Priorityis set to Print Length.Setting Adj. Priority to Print Quality in the Control Panel menu and adjusting the feedamount may improve results.(See "Adjusting the Feed Amount.") →User's GuideThe Printhead is out of alignment. Adjust the Printhead alignment.(See "Automatic Adjustment to Straighten Lines and Colors.") →P.95The 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 GuideStreaks may occur if you set the PrintQuality too low.Choose a higher level of Print Quality in the Advanced Settings of the printer driver and tryprinting again.Printing in Fast or Standard mode is faster and consumes less ink than in Highest quality orHigh modes, but the printing quality is lower.(See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →User's GuideThe type of paper specified in the printerdriver does not match the type loaded inthe printer.Load paper of the same type as you have specified in the printer driver.(See "Loading Rolls in the Printer.") →P.11(See "Loading Sheets in the Printer.") →P.18Make sure the same type of paper is specified in the printer driver as you have loaded in theprinter.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 unevenColors in printed images are unevenCause Corrective ActionLine Drawing/Text is selected whenprinting 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 easily. 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 suctionagainst the paper, or specify a leading margin of 20 mm (0.79 in) or more.(See "Adjusting the Vacuum Strength (VacuumStrngth).") →User's GuidePrinted colors may be uneven if you setthe 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 quality orHigh modes, but the printing quality is lower.(See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →User's GuideColor may be uneven between dark andlight image areas.Select Unidirectional Printing in the Advanced Settings of the printer driver.When borderless printing is used, theedge of the paper is cut during printing.Thus, ink density may be slightly unevenat the leading edges.Specify No in Auto Cut in the printer driver before printing. In this case, the paper can beprinted without borders on the left and right sides only. Cut the printed document ejected fromthe printer, and then use scissors or a cutting tool to cut away the edges on the top and bot-tom.Choose a higher level of Print Quality in the Advanced Settings of the printer driver.(See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →User's GuideThe Printhead is out of alignment. Adjust the Printhead alignment.(See "Automatic Adjustment to Straighten Lines and Colors.") →P.95Allowing printed documents to dry on topof each other may cause uneven colors.To avoid uneven colors, we recommend drying each sheet separately.Density may be uneven if you use GlossyPaper or Canon Coated Paper.In Advanced Settings of the printer driver, choose Highest quality or High in Print Quality.The type of paper specified in the printerdriver does not match the type loaded inthe printer.Load paper of the same type as you have specified in the printer driver.(See "Loading Rolls in the Printer.") →P.11(See "Loading Sheets in the Printer.") →P.18Colors in printed images are uneven iPF9400SBasic GuideTroubleshooting Problems with the printing quality114