If the Printer makes a strange soundIf the Printer makes a strange soundIf the Printer Makes a Strange SoundThe following sounds do not indicate a problem with the printer.• There is a sound of vacuum 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 sideThis may happen especially when using B0 or 44-inch paper.When paper of a different size is used, a valve is automatically activated to switch the area for papersuction, which may make a sound. This mechanism prevents vacuum from Vacuum holes wherethere is no paper.In addition, ink is ejected in sync with the movement of the Carriage back and forth to ensure optimal inkow. At this time, the valve automatically switches the area for paper suction, which may make a sound.• Roll paper makes a uttering sound during printingThere may be a uttering 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 theprinter is in 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 printeris in Sleep mode.(*1) The ink is also agitated automatically under the following conditions.Note that other operations are not possible while Agitating is displayed on the control panel.• After you turn the printer on (*2/*3)• After data transmission (*4)• After you replace an ink tank (*3/*5)*1: Ink agitation takes about a minute and a half.*2: The time for agitation varies depending on how long the printer has been turned off. (Betweenabout a minute and a half to twenty minutes.)*3: During agitation, if Online mode is accessible, you can print or do other operations.*4: After about a minute and a half, the printer goes Online, and printing operations begin.However, printing may start later after data reception, depending on the size of print data.*5: Ink agitation takes about three and a half minutes.In other cases, contact your Canon dealer.756 Troubleshooting
