HP Officejet Pro 8600 N911g's wireless print failed to work last night.
 

Hello.

Last night, my client couldn't do wireless/Air printing from his iPhone
Pro 11 Max (v13.7). I tried to print from my old iPhone 6+ (iOS
v12.4.8), and it also failed. They do see the printer and even said low
print ink message. I tried his old 2012 13.3" MacBook Pro's mac OS
Mojave v10.4.6 to wireless print, but it didn't work at first until I
saw it offline and paused printer. I told it to resume, and it worked.
However, iPhones' print still didn't work. I tried power cycling both
the printer (even unplugged and replugged its power AC!) and iPhones,
but that didn't help. I checked the printer's settings on both on its
hardware screen and web server and even turned off and on its wireless
features. Still no luck. And then minutes later, printer started
printing like crazy from the past wireless print out attempts. What the
heck? What happened? Is this printer, from 2013, dying or something?

Thank you for reading and hopefully answering soon. :)
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