[Ver.7.30.1]The problem that black ink cleaning may not be performed has been rectified.Mac OS X v10.51. (Phenomenon)When the monitor resolution is 1024 x 768 or less, as the ““Print”” and ““Cancel”” buttons are displayed behind DOCK, those buttons cannot be clicked.(Preventive action)Change the DOCK displayed position and size.2. (Phenomenon)The numbers in Start time / End time in Quiet Mode of Canon IJ Printer Utilities may not be changed when users specify them on the keyboard.(Preventive action)Specify the time using the arrow buttons.3. When ColorSync is selected in Color Matching, no operation can be performed in Color Options. All the items other than Sample Type are grayed out.Mac OS X v10.4.114. (Phenomenon)When ColorSync is selected in Color Correction of the Color Options panel, no operation can be performed in Color Options. All the items other than Sample Type are grayed out.