sane-coolscan(5) SANE Scanner Access Now Easy sane-coolscan(5)
NAME
sane-coolscan - SANE backend for Nikon film-scanners
ABOUT THIS FILE
This file is a short description of the coolscan backend for SANE.
DESCRIPTION
The sane-coolscan library implements a SANE backend that provides the
interface to the following Nikon Coolscan Film scanners: Nikon LS20,
LS30, LS1000, LS2000.
Even though the backend has worked for a number of people, there are
still some problems, especially in combination with some SCSI card/dri-
vers (AHA-1505/aha152x.o) and the autofocus command. You should con-
sider this backend 'alpha' and be careful when using it the first time.
CONFIGURATION
The configuration file for this backend resides in
/etc/sane.d/coolscan.conf.
Its content is a list of device names that correspond to Nikon Coolscan
scanners. Empty lines and lines starting with a hash mark (#) are ig-
nored. A sample configuration file is shown below:
#scsi Vendor Model Type
scsi Nikon * Scanner
/dev/scanner
The special device name must be a generic SCSI device or a symlink to
such a device. To find out to which device your scanner is assigned and
how you can set the permissions of that device, have a look at
sane-scsi(5).
SCSI ADAPTER TIPS
Some SCSI-adapters and low-level SCSI drivers do not work correctly with
this backend and the Coolscan scanners. These systems hang when the aut-
ofocus command is send to the Scanner. To see a list of which card/dri-
ver combinations work or don't work have a look at: http://an-
dreas.rick.free.fr/sane/autofocus.html.
FILES
The backend configuration file:
/etc/sane.d/coolscan.conf
The static library implementing this backend:
/usr/lib/x86_64-linux-gnu/sane/libsane-coolscan.a
The shared library implementing this backend:
/usr/lib/x86_64-linux-gnu/sane/libsane-coolscan.so (present on
systems that support dynamic loading)
ENVIRONMENT
SANE_DEBUG_COOLSCAN
If the library was compiled with debug support enabled, this en-
vironment variable controls the debug level for this backend.
E.g., a value of 128 requests all debug output to be printed.
Smaller levels reduce verbosity.
Examples:
On bash:
export SANE_DEBUG_COOLSCAN=8
On csh:
setenv SANE_DEBUG_COOLSCAN 8
BUGS
The autofocus command does not work with some SCSI card/driver combina-
tions.
The gamma table is not implemented for the LS1000 yet.
The dust-removal is not working yet.
SEE ALSO
sane(7), sane-scsi(5)
http://andreas.rick.free.fr/sane/
The homepage of this backend.
http://www.sema.be/coolscan/
The original version of the coolscan backend by Didier.
THANKS TO
Didier Carlier - For writing the original Coolscan backend (without it I
would not have started this).
Oliver Rauch - For adapting xsane so quickly to the infrared stuff.
All the other people working on SANE.
AUTHOR
Andreas Rick
EMAIL-CONTACT
andreas.rick@free.fr
13 Jul 2008 sane-coolscan(5)
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