how to make Lexmark Z11 work with Debian?

[Jerry Wang]

I installed the following packages:apsfilter, lprng, lprngtool
and downloaded cZ11.tar.gz from
http://www.kornblum.i-p.com/Z11/LexmarkZ11.html, after make and make
install the cZ11 driver, I use lprngtool to setup printer, but lprngtool
says there're 2 unrecongnizable printerafters.
what shold I do to solve this problem?