Cause Corrective ActionHead Cleaning B in the Con-trol Panel menu is executedfrequently.Head Cleaning B in the Control Panel menu consumes a lot of ink. This does notindicate a problem with the printer. Unless the printer has been moved or stored for along period or you are troubleshooting Printhead problems, we recommend not per-forming Head Cleaning B, to the extent possible.You have just finished initialinstallation, when more ink isconsumed to fill the system.After initial installation or at the first-time use after transfer, ink flows into the sys-tem between the Ink Tank and Printhead, which may cause the ink level indicators todrop to 80%. This does not indicate a problem with the printer.The Printhead nozzles areclogged.Check for nozzle clogging.(See "Checking for Nozzle Clogging.") →P.740Ink Level DetectionInk level detection will be deactivated if you load ink tanks once emptied.Ink level detectionInk tanks specified for this printer feature an ink level detection function to prevent the ink from running out during print-ing, which prevents printer damage. (See "Ink Tanks.") →P.732This function will not work correctly if you use refill ink tanks. As a result, printing stops. Thus, before using refill inktanks, you must cancel the ink level detection.Printing with the ink level detection canceled may lead to printer damage and printing problems. Canon Inc. is not liable forany damage that may occur as a result of refilling ink.Important• After ink level detection has been released, this function cannot be reactivated for currently loaded Ink Tank.To use ink level detection again, replace the Ink Tank with new ones specified for use with the printer.• Repeatedly removing and inserting an Ink Tank may damage the connection between the Ink Tank and theprinter, which may cause ink leakage from the Ink Tank and damage the printer.Releasing ink level detection1. On the Display Screen, a message indicates that the ink level cannot be detected. After checking the message, pressthe ▶ button.Troubleshooting > Other problems >iPF650 Ink Level Detection11805
