Problem: Scan button cannot be selected

Solution 1: A scan cannot be performed if the scan area is set too small (less than 64 x 64 pixels). Increase the size of the scan area

Solution 2: A scan cannot be performed unless a scan area is specified. Specify a scan area

Solution 3: A scan cannot be performed if the required memory is larger than the free memory. Change the resolution (p. 19) or scan area (p. 30) until the required memory is lower

Problem: The “Insufficient Memory” error message appears when scanning

Solution 1: Select the smallest possible area and rescan

Solution 2: Lower the resolution and magnification settings for the output device to the lowest possible values (p. 19)

Solution 3: Rescan after closing all the application programs other than the one used to start Plug-in Module CS-U

Solution 4: Rescan after you have restarted the application program used to start Plug-in Module CS-U

Solution 5: Quit the application program used to start Plug-in Module CS-U and increase the memory allocated to it. Restart the computer before rescanning. Please refer to the manual for the application program for the correct method for increasing its memory allocation

Solution 6: Increase the amount of RAM as required

Problem: The [Image] menu [ColorSync] option cannot be used in Plug-in Module CS-U

Solution: ColorSync is not recognized after Mac OS upgraded to Version 9 after Plug-in Module CS-U was installed onto Mac OS 8.5 or 8.6. Reinstall Plug-in Module CS-U (p. 6)

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Canon N656U, N1220U, N650U manual Problem Scan button cannot be selected