Cause Corrective ActionAn error requiring service may have occurred. Turn off the printer and wait at least three seconds be-fore restoring the power.If the message is displayed again, write down the errorcode and message, turn off the printer, and contactyour Canon dealer for assistance.Top cover is open.Cause Corrective ActionThe printer has detected that the Top Cov-er is open.Open the Top Cover fully, remove any foreign objects, and close the TopCover again.If the error occurs again, close the Top Cover, turn off the printer, andwait a while before restoring power.Prepare for parts replacement.Cause Corrective ActionIt is almost time to replace consuma-bles for which service is required.You can continue to use the printer for some time until "Parts replacementtime has passed." will be displayed.Contact your Canon dealer for assistance.Parts replacement time has passed.Cause Corrective ActionIt is past the recommended time to replace consumables for which serviceis required.Contact your Canon dealer for assistance.Unknown file.Cause Corrective ActionData sent to keep the printer up to date (such aspaper information) is in the wrong format.Check the data. Turn off the printer and wait a while before restor-ing power, and then resend the data.You have uploaded firmware for a differentmodel.Check the firmware version. Turn off the printer and wait a whilebefore restoring power, and then resend the firmware.If the message is displayed again, contact your Canon dealer for as-sistance.Error Message > Other Messages >Top cover is open. iPF75012832
