Hi, I have an HP 870Cxi printer on my Festen Linux machine. I've installed ghostscript v5.50 so I can print PostScript files on the HP. I installed ghostscript by creating an rpm and installing the rpm. The problem is, I've been using the supplied HP550C filter which only allows 300 x 300 dpi. This printer can do 600 x 600 dpi. I found a driver for this printer at http://www.erdw.ethz.ch/~bonk/hp850/hp850-node1.html which is supposed to allow it to do 600 x 600 dpi. The installation instructions say to include a line in the ghostscript makefile. I checked my ghostscript files and there are several makefiles. Which makefile needs to be modified to install this printer driver? In a more general sense, has anyone installed this printer on a Linux machine and gotten it to do 600 x 600 dpi? Thanks for any suggestions, Hidong