I have upgraded my Mac pro to OSX 10.8 now my HP laserjet 2300 does not work anymore. Is there a trick to solve this?
http://support.apple.com/kb/HT3669 indicates it's supported. Without more detail, it's tough to guess, but did you update the drivers? Delete and re-add the printer?
This might help:
Reset printing system: http://support.apple.com/kb/PH11143?viewlocale=en_US
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