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HP Recommended
HP LaserJet Pro P1606dn Printer
Microsoft Windows 10 (64-bit)

My printer draws lines across the paper. I'm trying to fix it by using the HP Support Assistant. However the support assistant stubbornly refuses to find my printer. Moreover it can't find it even when I input the serial and product numbers. To make matters worse, I can't even sign in to it - these four squares just keep going around and around. However the device manager can manage to find it, as can another HP utility that does some tune-up exercises (which didn't fix my problem, but that's another issue -- I'll have to post a different question about that.)

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