Lexmark X6170 All-in-one Printer Driver
Windows 2000
Windows XP
Windows Vista
Lexmark X6170 Driver (2000) (13)
Lexmark X6170 Driver (XP) (62)
Lexmark X6170 Driver (Vista) (136)
Lexmark X6170 Driver (Vista-64bit) (97)
From this page as a free Lexmark X6170 download. (32bit and 64bit)