Monday, August 25, 2014

How to fix Error 693# in Canon MX Series Printers

Description:

USB sub-system firmware error 

Power off the machine, and power it on again.
If the error still occurs, replace the part listed on the right (under “Parts to be replaced if the listed solutions are not effective”). 


If the above solution has not resolved your error, please contact Canon authorised service facility.

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