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Enable duplex printing via terminal command on a Mac
If you want to enable duplex printing via a terminal command (e.g., trying to fix a bunch of already-installed printers with duplex disabled, and you want to fix that with a script), first you have to figure out what parameter to change. On one Mac with the printer installed, find the printer via System Preferences…
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Troubleshooting Mac “printing – printer is in use” error
I haven’t seen this a lot, but it’s common enough that you can find it in a Google search. Here are some of the top results: HP 7520 – Printer in Use – won’t print from MAC I have a new iMac running OS X 10.8.3. I am adding a Windows network printer by IP…