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I have a Pixma MG7520 printer which will print all internally generated test patterns without a problem, but when I send a text (or any type of) file from any of my computers it barely prints any of the file content.  It almost seems like a print buf...

My Win 11 PC just stopped printing to my PIXMA MG7520 printer. I suspect that my printer driver got corrupted somehow and I want to reload it, but I can't figure which of the 8 or so files that are listed is the one I want to load. Can anybody offer ...