The current ETA for Mac OS 10.8 drivers is the end of Q1, 2013. The latest Mac OS 10.8 Xerox driver availability can be found in the "Xerox Product's Compatibility with Mac OS X 10.8" document.
Still no drivers for my Phaser 6121MFP for Mountain Lion. Shame on you Xerox! Even a new version of OSX is coming: Mavericks! :smileymad:
Thank you for using the Support Forum. You can install the 10.7 driver with the caveats listed below. You may see these issues, if you do please follow the recommended actions.
Issue: Software installer does not have the Xerox developer signature. Action: Right-click (Control + click) the pkg file and select "Open" when installing the driver.
Issue: When adding the printer, the following warning message is displayed "The printer software was installed incorrectly. Would you like it to be repaired?" Action: Click "Repair" button
Issue: When performing Booklet printing, a Binding Option dialog will open for each document that is currently open.
Go to System Preferences > General
Check the option "Close windows when quitting an application"
Issue: If a document is scanned with the following settings from Image Capture, the scanned image is a black box
Kind : Black & White , Text
Resolution : 600dpi
Action: Select a Resolution other than 600dpi
I hope this helps if not please consider contacting your support centre for further assistance.