The printer stops during a print jobAn error message is shown on the Display Screen ......................................................................................... 865The printer ejects blank, unprinted paper ........................................................................................................ 865An error message is shown on the Display ScreenStatus Corrective ActionAn error message is displayed during printing. Check the error message and take action as necessary.(See "Error Messages →P.891 .")The last portion of roll paper was used during a print job,and paper could not be advanced because the trailing edgeis taped to the roll.Remove the used roll and insert a new roll.(See "Removing the Roll from the Printer.") →P.634(See "Removing the Roll Holder from Rolls.") →P.637(See "Loading and Printing on Rolls.") →P.3The printer ejects blank, unprinted paperStatus Corrective ActionThe leading edge of the roll paperwas cut to straighten it.This operation is normal.The printer cuts the leading edge of the roll to straighten it and ejects the scrapswhen Trim Edge First in the printer menu is On or when Trim Edge First isAutomatic and the leading edge is slanted. The printer is ready to print after thisinitial preparation.When Off is selected under Trim Edge First, the edge is not cut and scraps arenot removed.The Printhead nozzles are clog-ged.Print a test pattern to check the nozzles and make sure the Printhead is in goodcondition for printing.(See "Checking for Nozzle Clogging.") →P.817Clean the Printhead if the nozzles are clogged.(See "Cleaning the Printhead.") →P.819A print job was received from anincompatible printer driver.Use the correct imagePROGRAF printer driver for the printer and try printingagain.The printer has received print datathat includes HP RTL commandswhen Auto Rotate is On.Set Auto Rotate to Off before attempting to print again.(See "Main Menu Settings.") →P.722The printer is damaged. Contact your Canon dealer for assistance.Troubleshooting > The printer stops during a print job >iPF815 An error message is shown on the Display Screen12865