Canon imagePROGRAF iPF6450 - Manual (Page 995)

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Close the Top Cover.
The contrast becomes uneven during printing The contrast becomes uneven during printing
Cause Corrective Action
The paper feed amount is out of adjustment. Adjust the feed amount.
(See "Adjusting the Feed Amount.")
→P.803
The type of paper specified in the printer driver
does not match the type loaded in the printer. Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.")
→P.536
(See "Loading Sheets in the Feed Slot.") →P.557
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.
The length of printed images is inaccurate in the feeding direction The length of printed images is inaccurate in the feeding direction
Cause Corrective Action
In the Control Panel menu, Adj. Priority is set to
Print Quality. Set Adj. Priority to Print Length in the Control Panel menu, and then execute Adjust
Length.
(See "Adjusting the Feed Amount.")
→P.803
The type of paper specified in the printer driver
does not match the type loaded in the printer. Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.")
→P.536
(See "Loading Sheets in the Feed Slot.") →P.557
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.
Images are printed crooked 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.663
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.663
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.533
(See "Loading Rolls in the Printer.") →P.536
iPF6450 The contrast becomes uneven during printing
User's Guide
Troubleshooting
Problems with the printing quality
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