Canon PRO-10 Series Manual page 790

Press the RESUME/CANCEL button on the printer to clear the error. Then check the Paper Size
setting in the Page Setup dialog and load paper that is the same size as the setting and try printing
again.
Set the printer not to detect the width of the paper using the Canon IJ Printer Utility.
To set the printer not to detect the width of the paper, open the Canon IJ Printer Utility, select Custom
Settings in the pop-up menu, clear the Detect paper width check box, and then click Apply.
To open the Canon IJ Printer Utility, see
* Select the Detect paper width check box again once printing is complete, and then click Apply.
Check 9: Are the media type and the page size settings of the printer
driver correct?
When using non Canon genuine specialty paper, be sure to select the proper media type or page size
correctly in the printer driver.
Confirm the settings following the procedure below, and try printing again.
1.
Ensure that either A3+ (Art Paper Margin 30), A3 (Art Paper Margin 30), A4
(Art Paper Margin 30), or US Letter (Art Paper Margin 30) is selected in the
application.
If the page size you want to use is not displayed, open the File menu of the application and select
Print. Then make sure that the name of your printer is selected.
2.
Make sure that the paper selected for Media Type in the Print dialog in the
printer driver matches the paper loaded in the printer.
3.
Make sure that the Paper Size setting in the Page Setup dialog in the printer
driver is the same as the size set in step 1.
Check 10: Make sure that your printer's name is selected in the Print
dialog.
The printer will not print properly if you are using a printer driver for a different printer.
Make sure that your printer's name is selected in Printer in the Print dialog.
Note
To make the printer the one selected by default, select the printer for Default printer.
Check 11: Restart your computer if you are printing from the computer.
Opening the Canon IJ Printer Utility.
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