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3 Canon printers I still can't get to work codes 5,156,69


Error codes. 5,156,69


Says scanner is off or USB cable disconnected! Mx992


And mg 3520


This is a matter of life and death for my mom.

Mx992 worked one time febuFebr 18 never more. That was the first and last I needed it more copies for court.

I need things scaned for the  law again NOW!









Hi DaFox! 

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Product Expert
Product Expert

Hi Dafox,


The 5.156.69 error occurs when security software blocks communication between your computer and your printers.


Please temorarily disable any anti virus software and firewalls that you have.


Once disabled, please attempt to scan again.


If you continue to have difficulties, please contact our support group using the following link:

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