printer will not print because "The printer is in use"

tanakad — Fri, 26 Apr 2024 00:45:59 GMT

Mac os 10.15.5 new Pixma G7020 wired LAN, communicating fine per IJ Network device setup utility, was able to print earlier today

now when I try to print - test page at end of setup, word document, Adobe Reader doc, Outlook doc - The document connects, but does not print because "The printer is in use"

I have tried resetting the printer

readding the printer

resetting the printer and repeating the entired setup

turned the printer off

restarted the iMac multiple times

any thoughts?

Addendum

I called Canon support

verified that there was no job being printed despite error message

verified that printer was connected via wired LAN - communicating normally, unplugged USB (Catalina sometimes does not recognize printer when USB connected )

in printed set-up went to wired LAN: manual set-up and disabled IPv6

restarted routers

printed from Word document - worked

The excellent Canon tech representative said that sometimes on home networks the printer gets confused when IPv4 and IPv6 addresses are available. disabling the IPv6 should not be a problem and will prevent miscommunication in future.

The printer has worked fine since.

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printer will not print because "The printer is in use"