4TroubleshootingThe printer stops during a print jobPhenomenonThe printer ejects blank, unprintedpaperThis operation is normal.Print a test pattern to check the nozzles and makesure the Printhead is in good condition for printing.Use the correct imagePROGRAF printer driver for theprinter and try printing again.The printer cuts the leading edge of the roll tostraighten it and ejects the scraps when TrimEdge First in the printer menu is On or when TrimEdge First is Automatic and the leading edge isslanted. The printer is ready to print after this initialpreparation.When Off is selected under Trim Edge First, theedge is not cut and scraps are not removed.Clean the Printhead if the nozzles are clogged.Contact your Canon dealer for assistance.The leading edge of the roll paperwas cut to straighten it.The Printhead nozzles areclogged.A print job was received from anincompatible printer driver.The printer is damaged.(→"Checking for Nozzle Clogging," User Manual)(→ , If Printing is Faint)An error message is shown on theDisplay ScreenCheck the error message and take action asnecessary.Remove the used roll and insert a new roll.An error message is displayedduring printing.The last portion of roll paper wasused during a print job, and papercould not be advanced becausethe trailing edge is taped to the roll.Status Corrective Action(→ , Error Messages)(→ , Removing the Roll from the Printer)(→"Removing the Roll Holder from Rolls," UserManual)(→"Loading and Printing on Rolls," User Manual)Set Auto Rotate to Off before attempting to printagain.The printer has received print datathat includes HP RTL commandswhen Auto Rotate is On. (→"Main Menu Settings," User Manual)