Fixes: - Correction for number of printer driver icons duplicating each time the Mac OS 10.6 is restarted while it is connected to MF4150/4270 via USB - Resolves Print image issues for MF4150/4270 - Mac OS 10.6 support Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.