Samsung ML-2955ND-XAA - Manual (Page 97)

7 1. Software installation
Reinstallation for Macintosh
If the printer driver does not work properly, uninstall the driver and
reinstall it.
1 Make sure that the machine is connected to your computer
and powered on.
2 Insert the supplied software CD into your CD-ROM drive.
3 Double-click the CD-ROM icon that appears on your
Macintosh desktop.
4 Double-click the MAC_Installer folder > Uninstaller OS X
icon.
5 Enter the password and click OK.
6 When the uninstall is done, click OK.
If a machine has already been added, delete it from the Print
Setup Utility or Print & Fax.