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jbmoore814 Author

Level 1

5 points

Failed to make a connection to the device (-21345)

How to you fix this error on Canon printer, this is in scan mode, it prints just fine. I have tried all the fixes I have read, nothing works. Anyone have the silver bullet?

MacBook Air 13″, macOS 12.1

Posted on Jan 26, 2022 9:07 AM

Best reply

BDAqua

Level 10

239,657 points

Posted on Jan 26, 2022 9:21 AM

Looks like Pahu has the fiz...

"Failed to open a session on the device" - Apple Community

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Failed to make a connection to the device (-21345)

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