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 about aminute and a half.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 forassistance.After the printer is turned on. (The time foragitation varies depending on how long theprinter has been turned off—between abouta minute and a half to twenty minutes. Duringagitation, you can print or do other operationsafter the printer goes Online.)•After data transmission. (After about a minuteand a half, the printer goes Online, and printingoperations begin. However, printing may startlater after data reception, depending on the sizeof print data.)•After ink tank replacement. (Ink agitation takesabout three and a half minutes. During agitation,you can print or do other operations after theprinter goes Online.)•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 vacuum 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.This may happen especially when using B0 or44-inch paper.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 vacuum from Vacuum holes where thereis no 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)