User Activity

Yesterday I upgraded my macOS to Cataline 10.15.2.  I didn't need to scan anythign after the upgrade. Today, I do need to scan and I can't scan.  Been at it for an hour or two now.... I believe the message I received earlier today was that the Canon ...
I can't print certain pdf's from my Canon MF743cdw from the Mail program, Preview, Safari, or PDF Reader Pro.   Yes I can print pdfs that are scanned from the MF743cdw, but always or almost always not from those sent to me.    I am using MacOS Catali...