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 the print-er 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 paperinformation) 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 restor-ing 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 shiningon the printer and causing the sensor to mal-function.Take steps to ensure the printer is not used when exposed to direct sunlight or stronglighting.Turn off the printer and wait at least three seconds before restoring the power.The performance of a sensor inside the printermay be impaired.Turn off the printer and wait at least three seconds before restoring the power.If the message is displayed again, contact your Canon dealer for assistance.Prepare for parts replacement. iPF6400SEUser's GuideError Message Other Messages658
