E printer identification strings. Currently, the
only supported manufacturer string is "EPSON", and the only supported
model strings are "Stylus Photo 2200" and "Stylus Photo 7600".

<dt><b><tt>Resolution:</tt></b><em>{x-dpi}</em>x<em>{y-dpi}</em>
<dd>The resolution in dpi. Usually, this should match the
Ghostscript resolution set with the <tt>-r</tt> switch. Otherwise,
the page image will be scaled.

<dt><b><tt>Dither:</tt></b><em>{int}</em>
<dd>Selects among variant dither options. Currently, the choices 