83Using the Scanner With Macintoshnse for an object to be scanned, an operation called Whitean image is scanned for the first time, or when thee rises to a certain level, a message displays promptingheet in the printer.the printer and then click the OK button. The calibrationn is performed.whenever necessary.tton in the main dialog box and then select Settings.vel button.e appears, place the white calibration sheet in theWhite Calibration Sheetn.libration sheet is ejected, white leveling is complete.