Currently Being ModeratedApr 15, 2013 7:23 PM (in response to RodneyMJ1975)
Please do "About this Mac" from you Apple menu and tell us what the resulting window says for processor type and your Mac OS version. These are helpful to know for troubleshooting printer issues.
Lexmark has generally poor Mac support. Did this printer ever work properly on this Mac, or was it moved from another computer to your Mac?