Gutenprint is the former Gimp Printing.
Gutenprint is a printer drivers which supports more than 300 printers of the Canon, Epson, Hewlett-Packard, Lexmark brand, etc. Moreover, it supports several printing resolutions allowing you to obtain fast printing without quality loss.
In other words, the driver allows to use Windows' printers on Mac. Thanks to Gutenprint you can make an originally non compatible printer work.
Notes: the operation may be risked because of the driver which acts on system files.