Canon imagePROGRAF iPF6400 User Guide - Page 896

Image edges are blurred or white banding occurs iPF6400 Cause Colors may be uneven at the trailing edge when you print on heavyweight sheets even if you execute Adj Far Ed Feed. Scan Wait Time > Area in the Control Panel menu is set to Leading edge. When you load paper in the Front Paper Feed Slot and print, colors may be uneven at the leading edge of the paper. Corrective Action For heavyweight sheets or similar paper, execute Adj Far Ed Feed with the Front Tray Guides raised. Also keep the Front Tray Guides raised during printing. Lower the Front Tray Guides when printing on paper other than heavyweight sheets. When Scan Wait Time > Area is set to Leading edge, colors may be uneven 110-140 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.648 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 or High modes, but the printing quality is lower. (See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →P.61 Straighten the paper if it is warped, and then load it straight into the printer. (See "Loading Sheets in the Feed Slot.") →P.554 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.744 Close the blue Switch on the platen so that it matches the paper size. (See "Setting the Blue Switch on the Platen.") →P.896 When printing fine lines or text at high precision on glossy or semi-glossy photo or proofing paper, set the optimal Printhead height before aligning the printhead. (See "Enhancing Printing Quality.") →P.728 In the Control Panel menu, set Head Height to a lower height. (See "Troubleshooting Paper Abrasion and Blurry Images.") →P.735 Load paper of the same type as you have specified in the printer driver. (See "Loading Rolls in the Printer.") →P.534 (See "Loading Sheets in the Feed Slot.") →P.554 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 • Always set all of the blue Switches on the Platen to the ● side for borderless printing. If the Switch are not set correctly, the Important print quality may deteriorate. 1 Remove any loaded paper that will not be used. • Rolls (See "Removing the Roll from the Printer.") →P.538 • Sheet (See "Removing Sheets.") →P.560 Troubleshooting Problems with the printing quality 896 User's Guide