Top cover is open.Top cover is open.Cause Corrective ActionThe printer has detected that the Top Cover isopen.Open the Top Cover fully, remove any foreign objects, and close the Top Coveragain.If the error occurs again, close the Top Cover, turn off the printer, and wait a whilebefore restoring power.Prepare for parts replacement.Prepare for parts replacement.Cause Corrective ActionIt is almost time to replace consumables forwhich service is required.If "Parts replacement time has passed." is displayed, you can continue to use theprinter for some time.Contact your Canon dealer for assistance.Parts replacement time has passed.Parts replacement time has passed.Cause Corrective ActionIt is past the recommended time to replace consumables for which service is required. Contact your Canon dealer for assistance.Unknown file.Unknown file.Cause Corrective ActionData sent to keep the printer up to date (such as pa-per information) is in the wrong format.Check the data. Turn off the printer and wait a while before restoring power,and then resend the data.You have uploaded firmware for a different model. Check the firmware version. Turn off the printer and wait a while before re-storing power, and then resend the firmware.If the message is displayed again, contact your Canon dealer for assistance.Multi-sensor errorMulti-sensor errorCause Corrective ActionDirect sunlight or strong lighting may be shining onthe printer and causing the sensor to malfunction.Take steps to ensure the printer is not used when exposed to direct sunlightor strong lighting.The performance of a sensor inside the printer maybe impaired.Turn off the printer and wait at least three seconds before restoring the pow-er.If the message is displayed again, contact your Canon dealer for assistance.Error in cutter position.Error in cutter position.Cause Corrective ActionThe Cutter Unit stops in the middle of cutting. 1. Push the Release Lever back and remove the paper.2. Pull the Release Lever forward.Top cover is open. iPF680User's GuideError Message Other Messages576