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HP LaserJet Pro MFP M428fdw

I don't know if Google Chrome changed, or if TETONXXXXN002.2322C.00 broke something, but I can no longer print PDF files from Google Chrome on any computer in my house except for ones running windoze.  My wife's pixelbook will not print PDFs and neither will my Linux desktop and laptops from Google Chrome.  On my desktop and laptop I can print PDFs from other apps.  So to troubleshoot, I'd like to try to downgrade the firmware on this printer.  Does anyone have experience in this?  There was an update a month ago to the printer firmware and that might coincide with when the issue started.

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