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<!-- Manpage converted by man2html 3.0.1 -->
<B><A HREF="sane-hpsj5s.5.html">sane-hpsj5s(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-hpsj5s.5.html">sane-hpsj5s(5)</A></B>
</PRE>
<H2>NAME</H2><PRE>
sane-hpsj5s - SANE backend for HP ScanJet 5S sheetfed scanner
</PRE>
<H2>DESCRIPTION</H2><PRE>
The <B>sane-hpsj5s</B> library implements a SANE (Scanner Access Now Easy)
backend that provides access to parallel port Hewlett-Packard ScanJet
5S scaner.
IMPORTANT: this is alpha code. Don't expect this to work correctly.
Many functions are missing, others contain errors. In some cases, your
computer might even hang. It cannot be excluded (although I consider it
extremely unprobable) that your scanner will be damaged.
LIMITATIONS: For now this backend works only at Linux platform.This
limitation is due dependance on libieee1284 library. If your system
supports libieee1284 too, this backend should work. If you ported
libieee1284 for you platform, please let me know.Your system should
support <B>EPP</B> (or <B>EPP+ECP</B> ) mode to operate this scaner. Future versions
will support ECP and SPP (Nibble and Byte) modes also. It's planned to
support for scaners not only at 0 daisy-chain position, but at any one.
Support for multiple scaners could be implemented too.
Current version implements only gray scale scaning. True Color and B/W
modes are not supported for now.
That said, TESTERS ARE WELCOME. Send your bug reports and comments to
Max Vorobiev &lt;pcwizard@yandex.ru&gt;.
</PRE>
<H2>DEVICE NAMES</H2><PRE>
This backend expects device names of the form:
<I>special</I>
Where <I>special</I> is the parallel port name in form, libieee1284 expects.
It seems to be system dependent. Under Linux it's parport0, parport1,
etc.
</PRE>
<H2>CONFIGURATION</H2><PRE>
The contents of the <I>hpsj5s.conf</I> file is a list of parport names that
correspond to HP ScanJet 5S scanners. Empty lines and lines starting
with a hash mark (#) are ignored. Only one device name can be listed
in <I>hpsj5s.conf</I> for this moment. Future versions will support daisy
chain selection.
</PRE>
<H2>TIPS</H2><PRE>
It seems that HP ScanJet 5S scaner uses software noise correction. This
feature is not implemented for now. So does gamma correction and cali-
bration. I'll handle it in future versions. Native resolution for
this scaner is 300 DPI. Other modes could be jagged in some ways.
</PRE>
<H2>FILES</H2><PRE>
<I>/usr/local/etc/sane.d/hpsj5s.conf</I>
The backend configuration file (see also description of
<B>SANE_CONFIG_DIR</B> below).
<I>/usr/local/lib/sane/libsane-hpsj5s.a</I>
The static library implementing this backend.
<I>/usr/local/lib/sane/libsane-hpsj5s.so</I>
The shared library implementing this backend (present on systems
that support dynamic loading).
</PRE>
<H2>ENVIRONMENT</H2><PRE>
<B>SANE_CONFIG_DIR</B>
This environment variable specifies the list of directories that
may contain the configuration file. Under UNIX, the directories
are separated by a colon (`:'), under OS/2, they are separated
by a semi-colon (`;'). If this variable is not set, the config-
uration file is searched in two default directories: first, the
current working directory (".") and then in
/usr/local/etc/sane.d. If the value of the environment variable
ends with the directory separator character, then the default
directories are searched after the explicitly specified directo-
ries. For example, setting <B>SANE_CONFIG_DIR</B> to "/tmp/config:"
would result in directories "tmp/config", ".", and
"/usr/local/etc/sane.d" being searched (in this order).
<B>SEE</B> <B>ALSO</B>
<B><A HREF="sane.7.html">sane(7)</A></B>
http://hpsj5s.sourceforge.net
http://cyberelk.net/tim/libieee1284
</PRE>
<H2>AUTHOR</H2><PRE>
Max Vorobiev
Man page mostly based on canon.man
sane-backends 1.0.16 24 Feb 2002 <B><A HREF="sane-hpsj5s.5.html">sane-hpsj5s(5)</A></B>
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