The printer consumes a lot of inkThe printer consumes a lot of inkCause Corrective ActionMany full-page color images areprinted.In print jobs such as photos, images are filled with color. This consumes a lot of ink. This does notindicate a problem with the printer.Head Cleaning B in the ControlPanel menu is executed fre-quently.Head Cleaning B in the Control Panel menu consumes a lot of ink. This does not indicate a problemwith the printer. Unless the printer has been moved or stored for a long period or you are troubleshoot-ing Printhead problems, we recommend not performing Head Cleaning B, to the extent possible.You have just finished initial in-stallation, when more ink is con-sumed to fill the system.After initial installation or at the first-time use after transfer, ink flows into the system between the InkTank and Printhead, which may cause the ink level indicators to drop to 80%. This does not indicate aproblem with the printer.The Printhead nozzles are clog-ged.Check for nozzle clogging.(See "Checking for Nozzle Clogging.") → User's GuideInk Level DetectionInk 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 duringprinting, which prevents printer damage. (See "Ink Tanks.") →P.23This 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 notliable for any 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 useink 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 the printer,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 levelcannot be detected. After checking the message, press the ▶button.2 Press ▲ or ▼ to select Information, and then press the OK but-ton.iPF8400 The printer consumes a lot of inkBasic GuideTroubleshooting Other problems129