Other MessagesParts replacement time has passed.Cause Corrective ActionIt is past the recommended time to replaceconsumables for which service is required.Contact your Canon dealer for assistance.Unknown le.Cause Corrective ActionInvalid data format. Check the print job and resend it.Calibration There is a problem with the multi-sensor.Cause Corrective ActionThe performance of a sensor inside the printer maybe impaired.Press the OK button and cancel calibration. Contactyour Canon dealer for assistance.Multi-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 whenexposed to direct sunlight or strong lighting.The performance of a sensor inside the printer maybe impaired.Contact your Canon dealer for assistance.Roll feed unit errCause Corrective ActionTurn off the printer, remove the Roll Feed Unitmomentarily, and then reinstall it.(→P.146)(→P.147)The Roll Feed Unit is not working.If the message is still displayed after you do this,contact your Canon dealer for assistance.No Roll Feed Unit.Cause Corrective ActionThe printer has received a print job that speciesrolls, but the Roll Feed Unit is not installed.Install the Roll Feed Unit and resend the print job.(→P.147)Error Message 707