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Running Mac OS 10.14.4, my HP 1012 has suddenly become unresponsive -- shows up on my rebuilt printer list, goes through the motions of printing, but nothing actually happens. The print monitor on the Mac says printing, gets to 26%, and then the "Waiting for printer to become available" message appears.
MacBook Pro 15", macOS 10.14
This is a USB attached inkjet printer, yes? I'd turn the printer off and back on. Check the cables. Scream at it and try a simple test page like "hello". If that fails, open the Printer & Scanners tab of System Preferences and delete the printer. Then reselect it. Now try the scream at it and print a simple test page. (Screaming is optional, obviously, but it usually makes me feel better while I'm troubleshooting stupid printer tricks)
This is a USB attached inkjet printer, yes? I'd turn the printer off and back on. Check the cables. Scream at it and try a simple test page like "hello". If that fails, open the Printer & Scanners tab of System Preferences and delete the printer. Then reselect it. Now try the scream at it and print a simple test page. (Screaming is optional, obviously, but it usually makes me feel better while I'm troubleshooting stupid printer tricks)
Not "Solved".
I have the same problem.
Deleted the printer, reinstalled it, still can't print on my HP Laserjet 1012 that has worked on every computer for the last 15 years.
I'm pretty sure Mojave broke the printing system.
Hmm. Turned the printer off (again) and on (again), unplugged the USB and plugged it in again. Now it's printing.
It's a weird bug but now it looks like my trusty old printer is speaking to this too-slick-for-its-own-good OS.
Sorry about the grammar error. The computer is running Mac OS 10.14.4, the printer is running its own thing.
"Waiting for printer to become available"
