Other problemsOther problemsThe printer does not go on ............................................................................................................................ 121The printer takes time to start up ................................................................................................................... 121If the Printer Makes a Strange Sound ............................................................................................................ 121Messages advising to check the maintenance cartridge are not cleared ........................................................ 122The printer consumes a lot of ink .................................................................................................................. 122Ink Level Detection ........................................................................................................................................ 122The printer does not go onThe printer does not go onCause Corrective ActionThe printer is unplugged. Plug the power cord into the outlet, and then turn on the printer.The specified voltage is not supplied. Check the voltage of the outlet and breaker.(See "Specifications.") ➔ User's GuideThe printer takes time to start upThe printer takes time to start upCause Corrective ActionThe printer may have shut down incorrectly last time. This may hap-pen after power outages or if the printer is unplugged before it isturned off.In this case, the next time power is restored, the printer's hard disk ischecked, and startup may take some time.Please wait a while, because it may take several minutes tofinish checking the hard disk.If an error message is displayed after the hard disk check,follow the instructions indicated to resolve the problem.If the Printer Makes a Strange SoundIf the Printer Makes a Strange SoundCause Corrective ActionThe printermakes a soundduring opera-tion.The following sounds do not indicate a problem with the printer.• There is a sound of suction from the PlatenTo prevent paper from rising, paper is held against the Platen by suction from Vacuum holes under it.• There is a sound when a different size of paper is used and when the Carriage goes from side to sideWhen paper of a different size is used, a valve is automatically activated to switch the area for paper suction,which may make a sound. This mechanism prevents suction from Vacuum holes where there is no paper.In addition, ink is ejected in sync with the movement of the Carriage back and forth to ensure optimal ink flow.At this time, the valve automatically switches the area for paper suction, which may make a sound.• Roll paper makes a fluttering sound during printingThere may be a fluttering sound when large paper is advanced.• If you suddenly hear the tone for cleaning operationsAt regular intervals, for printer maintenance, cleaning operations will begin automatically, even if the printer isin Sleep mode.• If you suddenly hear the tone for ink agitationAt regular intervals, to ensure optimal printing quality, the ink is agitated automatically, even if the printer is inSleep mode.The ink is also agitated automatically under the following conditions. Note that other operations are not possi-ble while "Agitating" is displayed on the control panel.• After the printer is turned onIn other cases, contact your Canon dealer.iPF840 Series The printer does not go onBasic GuideTroubleshooting Other problems121