Allowing non-admin Mac users to resume printers

Apparently, more recent versions of CUPS do not allow by default for non-admin users to resume a printer. I'm not sure the logic behind this. Disabling? Activating? Sure. Non-admins don't need to do those things. Why shouldn't a non-admin resume a print job, though? Apparently, I'm not the only one who's had this issue. Thanks… Continue reading Allowing non-admin Mac users to resume printers

Changing the error policy on a CUPS printer

The default error policy for printers on CUPS (which Mac OS X uses, and which most Linux systems also use) is stop-printer. You can see information about your printers and error policies by looking at the output of the printers.conf file with this terminal command: sudo cat /etc/cups/printers.conf If you want to get the actual… Continue reading Changing the error policy on a CUPS printer

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… Continue reading Enable duplex printing via terminal command on a Mac

One working fix for “filter failed” printer message on a Mac

There seem to be several "working" (your mileage may vary) fixes for the "filter failed" message when you try to print on a Mac (may happen in Linux, too, since Mac uses CUPS for printing), and they all seem driver-related: 'Filter' failed error when printing from EPSON Yosemite and a printer driver that broke The… Continue reading One working fix for “filter failed” printer message on a Mac