Paul Conklin wrote: > It looks like the device ppmraw isn't known by ghostscript. Try another > device. http://svn.ghostscript.com/ghostscript/trunk/gs/doc/Devices.htm > Just the mentioned doc page shows: A wide variety of data formats and depths is supported. Devices include pbm pbmraw pgm pgmraw pgnm pgnmraw pnm pnmraw ppm ppmraw pkm pkmraw pksm pksmraw. Helge