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sane-coolscan - SANE backend for Nikon film-scanners
ABOUT THIS FILE
This file is a short descripton 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 autofo-
cus command. You should consider this backend 'alpha' and be carefull when using it the
The configuration file for this backend resides in /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
#scsi Vendor Model Type
scsi Nikon * 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.
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 autofocus command is send to the Scan-
ner. To see a list of which card/driver combinations work or dont work have a look at:
The backend configuration file:
The static library implementing this backend:
The shared library implementing this backend:
(present on systems that support dynamic loading)
If the library was compiled with debug support enabled, this environment variable con-
trols 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
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
Didier Carlier - For writing the original Coolscan backend (without it I would not have
Oliver.Rauch - For adapting xsane so quickly to the infrared stuff.
All the other people working on SANE.
4 July 2000 sane-coolscan(5)
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