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<title>FAX2PS</title>
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<body>
<h1 align=center>FAX2PS</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
<a href="#NOTES">NOTES</a><br>
<a href="#BUGS">BUGS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
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<a name="NAME"></a>
<h2>NAME</h2>
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fax2ps - convert a <small>TIFF</small> facsimile to compressed P <small>OST</small> S <small>CRIPT</small></td></table>
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<b>fax2ps</b> [ <i>options</i> ] [ <i>file</i>...
]</td></table>
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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<i>fax2ps</i> reads one or more <small>TIFF</small>
facsimile image files and prints a compressed form of P
<small>OST</small> S <small>CRIPT</small> on the standard
output that is suitable for printing.</td></table>
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By default, each page is scaled to reflect the image
dimensions and resolutions stored in the file. The <b>-x</b>
and <b>-y</b> options can be used to specify the horizontal
and vertical image resolutions (lines/inch), respectively.
If the <b>-S</b> option is specified, each page is scaled to
fill an output page. The default output page is 8.5 by 11
inches. Alternate page dimensions can be specified in inches
with the <b>-W</b> and <b>-H</b> options.</td></table>
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By default <i>fax2ps</i> generates P <small>OST</small> S
<small>CRIPT</small> for all pages in the file. The
<b>-p</b> option can be used to select one or more pages
from a multi-page document.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
<i>fax2ps</i> generates a compressed form of P
<small>OST</small> S <small>CRIPT</small> that is optimized
for sending pages of text to a P <small>OST</small> S
<small>CRIPT</small> printer attached to a host through a
low-speed link (such as a serial line). Each output page is
filled with white and then only the black areas are drawn.
The P <small>OST</small> S <small>CRIPT</small>
specification of the black drawing operations is optimized
by using a special font that encodes the move-draw
operations required to fill the black regions on the page.
This compression scheme typically results in a substantially
reduced P <small>OST</small> S <small>CRIPT</small>
description, relative to the straightforward imaging of the
page with a P <small>OST</small> S <small>CRIPT</small>
<i>image</i> operator. This algorithm can, however, be
ineffective for continuous-tone and white-on-black images.
For these images, it sometimes is more efficient to send the
raster bitmap image directly; see
<i>tiff2ps</i>(1).</td></table>
<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
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<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-p</b> <i>number</i></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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Print only the indicated page. Multiple pages may be printed
by specifying this option more than once.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-x</b> <i>resolution</i></td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="26%"></td><td width="74%">
Use <i>resolution</i> as the horizontal resolution, in
dots/inch, of the image data. By default this value is taken
from the file.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-y</b> <i>resolution</i></td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="26%"></td><td width="74%">
Use <i>resolution</i> as the vertical resolution, in
lines/inch, of the image data. By default this value is
taken from the file.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<b>-S</b> Scale each page of image data to fill the output
page dimensions. By default images are presented according
to the dimension information recorded in the
<small>TIFF</small> file.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-W</b> <i>width</i></td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="26%"></td><td width="74%">
Use <i>width</i> as the width, in inches, of the output
page.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
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<b>-H</b> <i>height</i></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="26%"></td><td width="74%">
Use <i>height</i> as the height, in inches, of the output
page.</td></table>
<a name="DIAGNOSTICS"></a>
<h2>DIAGNOSTICS</h2>
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Some messages about malformed <small>TIFF</small> images
come from the <small>TIFF</small> library.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
Various messages about badly formatted facsimile images may
be generated due to transmission errors in received
facsimile. <i>fax2ps</i> attempts to recover from such data
errors by resynchronizing decoding at the end of the current
scanline. This can result in long horizontal black lines in
the resultant P <small>OST</small> S <small>CRIPT</small>
image.</td></table>
<a name="NOTES"></a>
<h2>NOTES</h2>
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If the destination printer supports P <small>OST</small> S
<small>CRIPT</small> Level II then it is always faster to
just send the encoded bitmap generated by the
<i>tiff2ps</i>(1) program.</td></table>
<a name="BUGS"></a>
<h2>BUGS</h2>
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<td width="10%"></td><td width="90%">
<i>fax2ps</i> should probably figure out when it is doing a
poor job of compressing the output and just generate P
<small>OST</small> S <small>CRIPT</small> to image the
bitmap raster instead.</td></table>
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
<i>tiff2ps</i>(1), <i>libtiff</i>(3)</td></table>
<hr>
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