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Man Pages
sane-coolscan(5) SANE Scanner Access Now Easy sane-coolscan(5)

sane-coolscan - SANE backend for Nikon film-scanners

This file is a short description of the coolscan-backend for sane!

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/drivers (AHA-1505/aha152x.o) and the autofocus command. You should consider this backend 'alpha' and be careful when using it the first time.

The configuration file for this backend resides in /usr/local/etc/sane.d/coolscan.conf.
Its contents is a list of device names that correspond to Nikon Coolscan scanners. Empty lines and lines starting with a hash mark (#) are ignored. 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 have to set the permissions of that device, have a look at sane-scsi.

Some SCSI-adapters and low-level SCSI drivers do not work correctly with this backend and the Coolscan scanners. These systems hang when the autofocus command is send to the Scanner. To see a list of which card/driver combinations work or don't work have a look at: http://andreas.rick.free.fr/sane/autofocus.html.

The backend configuration file:
/usr/local/etc/sane.d/coolscan.conf
The static library implementing this backend:
/usr/local/lib/sane/libsane-coolscan.a
The shared library implementing this backend:
/usr/local/lib/sane/libsane-coolscan.so (present on systems that support dynamic loading)

SANE_DEBUG_COOLSCAN
If the library was compiled with debug support enabled, this environment 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: SANE_DEBUG_COOLSCAN values
Examples:
on bash:
 
export SANE_DEBUG_COOLSCAN=8
on csh:
 
setenv SANE_DEBUG_COOLSCAN 8

The autofocus command does not work with some SCSI card/driver combinations
The gamma table is not implemented for the LS1000 yet.
The dust-removal is not working yet

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
sane(7), sane-scsi(5)

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.

Andreas Rick

andreas.rick@free.fr
13 Jul 2008

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