• 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/drivers (AHA-1505/aha152x.o) and the autofocus command. You should consider 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 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.
  
• 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 Scanner. To see a list of which card/driver combinations work or dont work have a look at: http://andreas.rick.free.fr/sane/autofocus.html.
  
  
  
• FILES
  
  
  

  The backend configuration file:

  /etc/sane.d/coolscan.conf

  The static library implementing this backend:

  /usr/lib/sane/libsane-coolscan.a

  The shared library implementing this backend:

  /usr/lib/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 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
  

• BUGS
  
  
  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
  
• SEE ALSO
  
  
  

  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)
  

• 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

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