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Problem scanning with Canon IJ Scan Utility


I have a MG6850 multifunction Canon printer. Recently the Canon IJ Scan Utility has misfunctioned. I can scan the first page of a document without problem, but when I want to scan a second page of the same document by clicking on "Scan" in the small dialogue screen I receive the message "Failed to open a session on the device". I have re-downloaded and installed successfully the scanning software using mcpd-mac-mg6800-16_04_1_0 ea21_3.dmg installer software, but it has not resloved the problem.


I am using a MacBook Pro with Mac OS Catalina 10.15.3


Can anyone help me, please?


I was able to scan using the preview scan method. Thank you so much.

I have a MX492


Having problems with Scanner Lite using Apple MacBook Pro and Big Sur.  Keep getting error stating that the scanner softtware can not find the scanner.  Suggesting a wifi issue.  However the printer in print mode funtions correctly.


Down loaded the latest drivers from canon website for BigSur version 11.

The printer is an MG3620