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<H1>sane-canon_lide70.5</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<B><A HREF="sane-canon_lide70.5.html">sane-canon_lide70(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-canon_lide70.5.html">sane-canon_lide70(5)</A></B>
</PRE>
<H2>NAME</H2><PRE>
sane-canon_lide70 - SANE backend for the Canon LiDE 70 and 600(F) USB
flatbed scanners
</PRE>
<H2>DESCRIPTION</H2><PRE>
The <B>canon_lide70</B> library implements a SANE (Scanner Access Now Easy)
backend that provides access to the Canon Inc. CanoScan LiDE 70 and
600(F) flatbed scanners. The film unit of the LiDE 600F is not sup-
ported.
Due to Canon's unwillingness to provide scanner documentation, this
software was developed by analyzing the USB traffic of the Windows XP
driver. The precise meaning of the individual commands that are sent to
the scanner is known only to a very limited extent. Some sophistication
present in the Windows XP driver has been left out. There is, for exam-
ple, no active calibration.
Testers and reviewers are welcome. Send your bug reports and comments
to the sane-devel mailing list <I>&lt;sane-devel@alioth-lists.debian.net&gt;</I>.
</PRE>
<H2>CONFIGURATION</H2><PRE>
The <I>/usr/local/etc/sane.d/canon</I><B>_</B><I>lide70.conf</I> file identifies the LiDE 70
by its vendor code 0x04a9 and its product code 0x2225. For the LiDE
600(f) the product code is 0x2224.
</PRE>
<H2>BACKEND SPECIFIC OPTIONS</H2><PRE>
<B>Scan</B> <B>Mode:</B>
<B>--resolution</B> <B>75|150|300|600|1200</B> <B>[default</B> <B>600]</B>
Sets the resolution of the scanned image in dots per inch. Scan-
ning at 1200 dpi is not available on the LiDE 600(F) and it is
very slow on the LiDE 70.
<B>--mode</B> <B>Color|Gray|Lineart</B> <B>[default:</B> <B>Color]</B>
Selects the scan mode. Lineart means fully black and fully white
pixels only.
<B>--threshold</B> <B>0..100</B> <B>(in</B> <B>steps</B> <B>of</B> <B>1)</B> <B>[default</B> <B>75]</B>
Select minimum-brightness percentage to get a white point, rele-
vant only for Lineart
<B>--non-blocking[=(yes|no)]</B> <B>[inactive]</B>
This option has not yet been implemented. Scans are captured in
a temporary file with a typical size of 100MB.
<B>Geometry:</B>
<B>-l</B> <B>0..216.069</B> <B>[default</B> <B>0]</B>
Top-left x position of scan area in millimeters.
<B>-t</B> <B>0..297</B> <B>[default</B> <B>0]</B>
Top-left y position of scan area in millimeters.
<B>-x</B> <B>0..216.069</B> <B>[default</B> <B>80]</B>
Width of scan-area in millimeters.
<B>-y</B> <B>0..297</B> <B>[default</B> <B>100]</B>
Height of scan-area in millimeters.
</PRE>
<H2>FILES</H2><PRE>
<I>/usr/local/etc/sane.d/canon</I><B>_</B><I>lide70.conf</I>
The backend configuration file
<I>/usr/local/lib/sane/libsane-canon</I><B>_</B><I>lide70.a</I>
The static library implementing this backend.
<I>/usr/local/lib/sane/libsane-canon</I><B>_</B><I>lide70.so</I>
The shared library implementing this backend (present on systems
that support dynamic loading).
</PRE>
<H2>ENVIRONMENT</H2><PRE>
<B>SANE_DEBUG_CANON_LIDE70</B>
If the library was compiled with debug support enabled, this
environment variable controls the debug level for this backend.
Higher debug levels increase the verbosity of the output.
Example:
SANE_DEBUG_CANON_LIDE70=128 scanimage &gt; /dev/null
</PRE>
<H2>KNOWN PROBLEMS</H2><PRE>
At low resolutions (75 and 150 dpi, implying high slider speeds) the
LiDE 70 misses the top one millimeter of the scan area. This can be
remedied by shifting the document one millimeter downward, in cases
where such precision matters. Note that <B><A HREF="xsane.1.html">xsane(1)</A></B> uses the 75 dpi mode
for prescans. The problem is worse on the LiDE 600(F), where the offset
is five millimeters.
</PRE>
<H2>SEE ALSO</H2><PRE>
<B><A HREF="sane.7.html">sane(7)</A></B>, <B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>, <B><A HREF="sane-find-scanner.1.html">sane-find-scanner(1)</A></B>, <B><A HREF="scanimage.1.html">scanimage(1)</A></B>, <B><A HREF="xsane.1.html">xsane(1)</A></B>,
http://www.juergen-ernst.de/info_sane.html
</PRE>
<H2>AUTHOR</H2><PRE>
pimvantend, building upon pioneering work by Juergen Ernst.
22 Aug 2020 <B><A HREF="sane-canon_lide70.5.html">sane-canon_lide70(5)</A></B>
</PRE>
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