Canon imagePROGRAF iPF830 MFP M40 User Guide - Page 626
The contrast becomes uneven during printing
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The contrast becomes uneven during printing 7 Close the Top Cover. iPF830 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.558 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. 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.558 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. Problems with the printing quality Images are printed crooked Cause In the Control Panel menu, Skew Check Lv. is set to Loose or Off. In the Control Panel menu, Width Detection is set to Off. Corrective Action In the Control Panel menu, set Skew Check Lv. to Standard. Set Width Detection to On in the Control Panel menu. Documents are printed in monochrome Cause Corrective Action In the Advanced Settings of the printer driver, Mon- In the Advanced Settings of the printer driver, specify Color in Color Mode ochrome, Monochrome (BK ink), or Monochrome and try printing again. 626 Bitmap is specified in Color Mode. The Printhead nozzles are clogged. Print a test pattern to check the color ink nozzles and see if they are clogged. (See "Checking for Nozzle Clogging.") ➔P.577 User's Guide