Most common problems:
=====================

problem: the printer just sits there.

solve: try printing to /dev/usb/lp0 in stead of /dev/lp0.



problem: the picture is distorted.

solve: check if there is something in the postscript file 
overriding the paper size specified on the command line.
	%%BeginPaperSize: Letter
        letter
        %%EndPaperSize