37Error MessagesThis paper cannot be used. Paper larger than the printer'smaximum supported size has beenloaded.Push the Release Lever back and load paper of thecorrect size.Paper smaller than the printer'sminimum supported size has beenloaded.Push the Release Lever back and load paper of thecorrect size.Paper has been loaded that is toosmall to print the test pattern forprinthead adjustment or nozzlechecking.Push the Release Lever back and load unused paperof A4 size or larger. More than one sheet may berequired depending on the adjustment.Error Message Cause Corrective Action(→"Paper Sizes," User Manual)(→"Paper Sizes," User Manual)Hardware error. xxxxxxxx-xxxx(x represents a letter or number)The last portion of roll paper wasused during a print job. The paperwas not advanced because thetrailing edge is taped to the roll.Turn off the printer and remove the roll from the printerbefore restoring power.Fastening tape or the BeltStopper has not been removedinside the Top Cover.Turn off the printer, open the Top Cover and removethe tape or the Belt Stopper before restoring power.An error requiring service mayhave occurred.Turn off the printer and wait at least three secondsbefore restoring the power.Hard disk error. The format of the printer's harddisk is invalid.Press the OK button to start reformatting the harddisk. When formatting is finished, data on the printerhard disk is erased and the printer automaticallyrestarts.If the message is displayed again, write down theerror code and message, turn off the printer, andcontact your Canon dealer for assistance.File read error. Files on the printer's hard diskhave become corrupted.Restart the printer. Only the corrupted files will bedeleted, and the printer will restart.Unknown file. Data sent to keep the printer up todate (such as paper information) isin the wrong format.Check the data. Turn off the printer and wait a whilebefore restoring power, and then resend the data.You have uploaded firmware for adifferent model.Check the firmware version. Turn off the printer andwait a while before restoring power, and then resendthe firmware.If the message is displayed again, contact your Canondealer for assistance.