Canon imagePROGRAF iPF6400 User Guide - Page 899
The contrast becomes uneven during printing
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iPF6400 7 Close the Top Cover. The contrast becomes uneven during printing The contrast becomes uneven during printing Cause The paper feed amount is out of adjustment. The type of paper specified in the printer driver does not match the type loaded in the printer. Corrective Action Adjust the feed amount. (See "Adjusting the Feed Amount.") →P.737 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. Troubleshooting The length of printed images is inaccurate in the feeding direction Cause In the Control Panel menu, Adj. Priority is set to Print Quality. The type of paper specified in the printer driver does not match the type loaded in the printer. Corrective Action Set Adj. Priority to Print Length in the Control Panel menu, and then execute Adjust Length. (See "Adjusting the Feed Amount.") →P.737 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. Problems with the printing quality Images are printed crooked Cause Corrective Action In the Control Panel menu, Skew Check Lv. is set to Loose or Off. In the Control Panel menu, set Skew Check Lv. to Standard. (See "Menu Settings.") →P.648 In the Control Panel menu, Width Detection is set to Off. Set Width Detection to On in the Control Panel menu. (See "Menu Settings.") →P.648 Roll paper is loaded askew. If there is a gap between the roll paper and roll holder, reload the roll. (See "Loading Rolls on the Roll Holder.") →P.531 (See "Loading Rolls in the Printer.") →P.534 899 User's Guide
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