So, today, I was playing around with a new PC setup. And of course there was an issue with the HP Scanner. - I generally use Xsane vs Simple Scanner. Both of them had issues connecting to the Scanner with an I/O error. Simple enough. I had hopped that the printer being found and usable by default, that the scanner would also work. Nope. I got
Failed to open device 'hpaio:/net/hp_laserjet_pro_mfp_m125nw?ip=192.168.1.1&queue=false':Error during device I/O
I found the answer again, here.
I'm sure I've run into this issue before, and used this or another post like this to resolve the issue. LOL, Basically, you've got to DL a plugin from HP and agree to their software terms. ¯\_(ツ)_/¯
Also for me, I found that I needed to adjust the Xsane settings again. - I DID have my other computer to see what the settings were. :)
Also, don't forget to setup the 0000's for the filename, and location.