Problems printing wireless printer - duplicate IP address

I have an HP printer connected by wifi to an Orbi network. When printing from the various iMacs and MacBook Pros (all on 10.13.3), we regularly run into problems - and when checking the printer panel, I see 'Duplicate IP address' on the printer panel. This sometimes (but not always) goes away after a minute or two - and then things start to print. I have now assigned a static IP address to the printer and even tried reserving this address on the Orbi system, but the problem continues. I am trying to understand what would trigger the duplicate IP call. Could it be the Orbi sattelite and Router making a simultaneous call? Is it something completely different?

Incidentally, we have struggled with printing issues for years - different printers (although always HP), different router (previously AirPort Extreme). But troubleshooting tools on the printers were more limited - it is only now I am seeing the issue of duplicate IP on the (new) printer's panel. Could this be an Apple issue? Any ideas for a solution?