LaTeX or TeX users note: You CANNOT use psrev to print a few pages from a
PostScript file generated by dvips.
To print out the first 7 pages of a dvi file, do:
dvips -l 7 -Pprinter file.dvi
Pages 22 to 31 would be:
dvips -p 22 -l 31 -Pprinter file.dvi
