Package Type: Windows 32 bit Printer Driver Package
Models: MX-M850, MX-M950, MX-M1100
Driver Types Included in Package: 

WHQL PCL6 Print Driver ver: 01.00.31.054
WHQL PS Print Driver ver: 01.00.34.054
WHQL PPD ver: 1.1.0.1

For OS Versions:  7, 8, XP, Vista, Windows Server 2003, And Windows Server 2008

