Canon imagePROGRAF iPF820 iPF820 User Manual - Page 640
Banding in different colors occurs, Cause, Corrective Action, Print Length, Feed Priority, Band Joint
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Problems with the printing quality Banding in different colors occurs Cause The paper feed amount is out of adjustment. Corrective Action Adjust the feed amount. (→P.552) Printing does not proceed smoothly because print jobs are interrupted during transmission. Exit other applications and cancel other print jobs. In the printer menu, Print Length is specied in Feed Priority. Selecting Band Joint may improve printing results. Adjust the feed amount in the printer menu by specifying Band Joint in Feed Priority and try printing again. (→P.552) The Printhead is out of alignment. Adjust the Printhead alignment. (→P.544) The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see if they are clogged. (→P.577) Streaks may occur if you set the Print Quality too low. Choose a higher level of Print Quality in the Advanced Settings of the printer driver and try printing again. Printing in Draft or Standard mode is faster and consumes less ink than in Highest or High modes, but the printing quality is lower. (→P.211) The type of paper specied in the printer driver does not match the type loaded in the printer. Load paper of the same type as you have specied in the printer driver. (→P.118) (→P.150) Make sure the same type of paper is specied in the printer driver as you have 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. 626 Troubleshooting
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