Windows 10 Printer runs but doesn't print unless run troubleshooter

[gguthrie]

My Lexmark printer is great, but recently it will spin up as though printing, but not actually print anything, unless I run the troubleshooter - which reports nothing wrong, but then all printing does work.All works fine, until it sits for a few days unused, then the same symptoms. It is network connected, and has the same symptoms from any machine on the local network.

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