I am having a similar problem with a Canon MFP:
imageRUNNER ADVANCE C3525i
Using the latest Big Sur Driver for this MFP (for 11.01) on my recently upgraded system (11.1) does not work and results in this error message:
I am having a similar problem with a Canon MFP:
imageRUNNER ADVANCE C3525i
Using the latest Big Sur Driver for this MFP (for 11.01) on my recently upgraded system (11.1) does not work and results in this error message: