ESP Print Pro is a complete printing solution that prints
international text, Adobe PostScript, PDF, HP-GL/2, GIF, TIFF, PNG,
JPEG/JFIF, SGI RGB, Sun Raster, PhotoCD, PBM, PGM, and PPM files
transparently to over 2300 printers via serial, parallel, USB, and
network connections. ESP Print Pro is based on the Common UNIX
Printing System and provides PostScript and image file RIPs to
support non-PostScript printers."