Canon imagePROGRAF iPF815 MFP M40 iPF815 User Manual Ver.1.00 - Page 887
Image Edges are Blurred or White Banding Occurs, Scan Wait Time
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Troubleshooting > Problems with the printing quality > Cause Corrective Action You are printing on paper that curls easily. Printed colors may appear uneven on the leading edge of paper that is susceptible to curling. Increase the level of vacuum holding the paper against the Platen or specify a margin of 20 mm (0.79 in.) or more for the leading edge. (See "Adjusting the Vacuum Strength (VacuumStrngth).") →P.683 Printed colors may be uneven if you set the Print Quality too low. Choose a higher level of Print Quality in the Advanced Settings of the printer driver. Printing in Draft or Standard mode is faster and consumes less ink than in Highest or High modes, but the printing quality is lower. (See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →P.55 Color may be uneven between dark and 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 during printing. Thus, ink density may be uneven at the edges. Specify No in Auto Cut in the printer driver before printing. In this case, the paper can be printed without borders on the left and right sides only. Cut the printed document ejected from the printer, then use scissors to cut away the edges on the top and bottom. 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.") →P.55 The Printhead is out of alignment. Adjust the Printhead alignment. (See "Automatic Straightening of Lines and Colors (Auto Head Adj.).") →P.668 Drying documents stacked on each other may cause uneven colors. To avoid uneven colors, we recommend drying each sheet separately. Color density may be uneven if you use Glossy Paper, art paper, or Coated Paper. In Advanced Settings of the printer driver, choose Highest or High in Print Quality. The type of paper specified in the Load paper of the same type as you have specified in the printer driver. printer driver does not match the (See "Loading Rolls in the Printer.") →P.628 type loaded in the printer. (See "Loading Sheets in the Printer.") →P.651 Make sure the same type of paper is specified in the printer driver as you have 12 loaded 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 the When Scan Wait Time > Area is set to Leading edge, colors may be uneven Control Panel menu is set to Lead- 110-160 mm from the leading edge. (The position varies depending on the ing edge. Print 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.722 871 Image Edges are Blurred or White Banding Occurs Cause The Platen suction is too strong. Corrective Action Set VacuumStrngth to Weakest. (See "Adjusting the Vacuum Strength (VacuumStrngth).") →P.683 iPF815 Image Edges are Blurred or White Banding Occurs