16TroubleshootingOther ProblemsPhenomenonYou suddenly hear the tone for ink agitation•At regular intervals, to ensure optimal printingquality, the ink is agitated automatically, even if theprinter is in Sleep mode. Ink agitation takes about30 seconds.The ink is also agitated automatically under thefollowing conditions. Note that other operations arenot possible while Agitating is displayed on thecontrol panel.In other cases, contact your Canon dealer.After the printer is turned on. (The time foragitation varies depending on how long theprinter was off—between about 30 seconds andtwo minutes.)•After data transmission. (After about a minuteand a half, printing operations begin. However,printing may start later after data reception,depending on the size of print data.)•After ink tank replacement. (Ink agitation takesabout three and a half minutes.)•The printer does not go on Plug the power cord into the outlet, and then turn onthe printer.The printer is unplugged.Check the voltage of the outlet and breaker.Use a power source that conforms to the printerspecifications.The specified voltage is notsupplied.Cause Corrective ActionIf the Printer Makes a StrangeSoundThe following sounds do not indicate a problem withthe printer.The printer makes a sound duringoperation.There is a sound of suction from the Platen•There is a sound when a different size of paper isused and when the Carriage goes from side to side•Roll paper makes a fluttering sound during printing•You suddenly hear the tone for cleaning operations•To prevent paper from rising, paper is held againstthe Platen by suction from Vacuum holes under it.When paper of a different size is used, a valve isautomatically activated to switch the area for papersuction, which may make a sound. This mechanismprevents suction from Vacuum holes where there isno paper.In addition, ink is ejected in sync with the movementof the Carriage back and forth to ensure optimal inkflow. At this time, the valve automatically switchesthe area for paper suction, which may make asound.There may be a fluttering sound when large paper isadvanced.At regular intervals, for printer maintenance,cleaning operations will begin automatically, even ifthe printer is in Sleep mode.(→"Specifications," User Manual)