Fixes: 1. (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. 2. 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. Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.