Canon imagePROGRAF iPF830 MFP M40 User Guide - Page 623
Image edges are blurred or white banding occurs, Setting the Blue Switch on the Platen
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iPF830 Image edges are blurred or white banding occurs Cause When borderless printing is used, the edge of the paper is cut during printing. Thus, ink density may be slightly uneven at the leading edges. Corrective Action Specify No in Automatic Cutting 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, and then use scissors or a cutting tool 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.54 The Printhead is out of alignment. Adjust the Printhead alignment. (See "Automatic Adjustment to Straighten Lines and Colors.") ➔P.550 Allowing printed documents to dry on top of each other may cause uneven colors. To avoid uneven colors, we recommend drying each sheet separately. Density may be uneven if you use Glossy 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 print- Load paper of the same type as you have specified in the printer driver. er driver does not match the type loa- (See "Loading Rolls in the Printer.") ➔P.333 ded in the printer. (See "Loading Sheets in the Printer.") ➔P.353 Make sure the same type of paper is specified in the printer driver as you have loaded in the printer. 1. Press the Stop button and stop printing. 2. Change the type of paper in the printer driver and try printing again. Scan Wait Time > Area in the Control Panel menu is set to Leading edge. When Scan Wait Time > Area is set to Leading edge, colors may be uneven 110-160 mm from the leading edge. (The position varies depending on the Print Quality setting.) In this case, select Scan Wait Time > Area > Entire area. However, note that printing will now take longer. (See "Menu Settings.") ➔P.442 Troubleshooting Problems with the printing quality Image edges are blurred or white banding occurs Cause The Platen suction is too strong. Incorrect Printhead alignment value. The type of paper specified in the printer driver does not match the type loaded in the printer. Corrective Action In the Control Panel menu, reduce the level of VacuumStrngth. (See "Adjusting the Vacuum Strength.") ➔P.564 Close the blue Switch on the platen so that it matches the paper size. (See "Setting the Blue Switch on the Platen.") ➔P.623 In the Control Panel menu, set Head Height to a lower height. (See "Troubleshooting Paper Abrasion and Blurry Images.") ➔P.556 Load paper of the same type as you have specified in the printer driver. (See "Loading Rolls in the Printer.") ➔P.333 (See "Loading Sheets in the Printer.") ➔P.353 Make sure the same type of paper is specified in the printer driver as you have loaded in the printer. 1. Press the Stop button and stop printing. 2. Change the type of paper in the printer driver and try printing again. Setting the Blue Switch on the Platen If printed documents exhibit the following symptoms, adjust the setting of the blue Switch on the Platen. • Image edges are blurred • Image edges are affected by white banding 623 • Always set all of the blue Switches on the Platen to the ● side for borderless printing. If the Switch are not set Important correctly, the print quality may deteriorate. 1 Remove any loaded paper that will not be used. • Rolls (See "Removing the Roll from the Printer.") ➔P.338 User's Guide