I encountered a problem recently where Word would not save, and Photoshop and other applications would not launch after an upgrade to 10.6 from 10.4.
Essentially what I needed to do was reset the printing system. While this was easily achieved in 10.5/10.4 it's not so easy in 10.6 especially when CUPS would not launch.
There was no access to the Print & Fax prefpanel or to the local webpage at http://127.0.0.1:631 so after a bit of hunting I found the following fix.
To reset the print system without using the Print & Fax system preferences, you can follow these steps in the Terminal. This can be done either locally or by logging in remotely via an SSH session.
- Stop the CUPS daemon with the following command:
sudo launchctl stop org.cups.cupsd - Rename the old CUPS configuration file:
sudo mv /etc/cups/cupsd.conf /etc/cups/cupsd.conf.backup - Restore the default settings file:
sudo cp /etc/cups/cupsd.conf.default /etc/cups/cupsd.conf - Rename the printers file:
sudo mv /etc/cups/printers.conf /etc/cups/printers.conf.backup - Restart CUPS:
sudo launchctl start org.cups.cupsd
[crarko adds: I did the steps, and it appears to do what it says. I didn't have the original problem so I don't know if this really fixes it.]
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