Cause Corrective ActionYou are printing on paper that curlseasily.Printed colors may appear uneven on the leading edge of paper that is suscepti-ble to curling. Increase the level of vacuum holding the paper against the Platenor specify a margin of 20 mm (0.79 in.) or more for the leading edge.(See "Adjusting the Vacuum Strength (VacuumStrngth).") →P.683Printed colors may be uneven if youset the Print Quality too low.Choose a higher level of Print Quality in the Advanced Settings of the printerdriver.Printing in Draft or Standard mode is faster and consumes less ink than inHighest or High modes, but the printing quality is lower.(See "Giving Priority to Particular Graphic Elements and Colors for Print-ing.") →P.55Color may be uneven between darkand light image areas.Select Unidirectional Printing in the Advanced Settings of the printer driver.When borderless printing is used,the edge of the paper is cut duringprinting. Thus, ink density may beuneven at the edges.Specify No in Auto Cut in the printer driver before printing. In this case, thepaper can be printed without borders on the left and right sides only. Cut theprinted document ejected from the printer, then use scissors to cut away theedges on the top and bottom.Choose a higher level of Print Quality in the Advanced Settings of the printerdriver.(See "Giving Priority to Particular Graphic Elements and Colors for Print-ing.") →P.55The Printhead is out of alignment. Adjust the Printhead alignment.(See "Automatic Straightening of Lines and Colors (Auto Head Adj.).")→P.668Drying documents stacked on eachother may cause uneven colors.To avoid uneven colors, we recommend drying each sheet separately.Color density may be uneven if youuse Glossy Paper, art paper, or Coat-ed Paper.In Advanced Settings of the printer driver, choose Highest or High in PrintQuality.The type of paper specified in theprinter driver does not match thetype loaded in the printer.Load paper of the same type as you have specified in the printer driver.(See "Loading Rolls in the Printer.") →P.628(See "Loading Sheets in the Printer.") →P.651Make sure the same type of paper is specified in the printer driver as you haveloaded in the printer.1. Hold down the Stop button for a second or more to cancel printing.2. Change the type of paper in the printer driver and try printing again.Scan Wait Time > Area in theControl Panel menu is set to Lead-ing edge.When Scan Wait Time > Area is set to Leading edge, colors may be uneven110–160 mm from the leading edge. (The position varies depending on thePrint Quality setting.)In this case, select Scan Wait Time > Area > Entire area.However, note that printing will now take longer.(See "Main Menu Settings.") →P.722Image Edges are Blurred or White Banding OccursCause Corrective ActionThe Platen suction is too strong. Set VacuumStrngth to Weakest.(See "Adjusting the Vacuum Strength (VacuumStrngth).") →P.683Troubleshooting > Problems with the printing quality >iPF815 Image Edges are Blurred or White Banding Occurs12871
