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sane-microtek2(5)								sane-microtek2(5)

       sane-microtek2 - SANE backend for Microtek scanners with SCSI-2 command set

       The  sane-microtek2  library implements a SANE (Scanner Access Now Easy) backend that pro-
       vides access to Microtek scanners with a SCSI-2 command set.  This backend can be  consid-
       ered  alpha to beta. Some scanner models are reported to work well, others not. New devel-
       opment versions of this backend can be obtained from http://karstenfestag.gmxhome.de

       There exists a different backend for Microtek scanners with SCSI-1 command set.	Refer  to
       sane-microtek(5) for details.

       And   there   is   work	 in   progress	 for  the  ScanMaker  3600.   See  http://source-

       At present, the following scanners are known positively to work with this backend:

       Vendor	  Product id:	     Remark
       --------   --------------     -------------
       Microtek   E3+		     Parport and SCSI
       Microtek   X6		     SCSI
       Microtek   X6EL		     SCSI
       Microtek   X6USB 	     USB
       Microtek   ScanMaker V300     Parport and SCSI
       Microtek   ScanMaker V310     Parport and SCSI
       Microtek   ScanMaker V600     Parport and SCSI
       Microtek   ScanMaker 330      SCSI
       Microtek   ScanMaker 630      SCSI
       Microtek   ScanMaker 636      SCSI
       Microtek   ScanMaker 9600XL   SCSI; only flatbed mode?
       Microtek   Phantom 330CX      Parport
       Microtek   SlimScan C3	     Parport
       Microtek   SlimScan C6	     USB
       Microtek   Phantom 636	     SCSI
       Microtek   Phantom 636CX      Parport
       Microtek   V6USL 	     SCSI and USB
       Microtek   V6UPL 	     USB; not stable
       Microtek   X12USL	     SCSI; only 8bit color, work in progress
       Vobis	  HighScan	     SCSI (E3+ based models)
       Scanport   SQ300 	     Parport?
       Scanport   SQ4836	     SCSI
       Scanpaq	  SQ2030	     Parport

       Additional information can be found at http://www.mostang.com/sane/ .

       If you own a Microtek scanner other than the ones listed above, it may  or  may	not  work
       with  SANE!  Because  equal scanners are sold under different names in different countries
       your model may be equivalent to one of the above.

       The  parport  scanners	work   with   the   ppscsi   +	 onscsi   kernel   modules.   See

       The  USB scanners work with the microtek kernel module. You may have to add the vendor and
       model codes to microtek.c if they aren't yet listed there.

       Both parport and USB scanners need the generic SCSI support, so check if you  have  loaded
       the scsi_mod and sg modules!

       If  you try your scanner for the first time keep an eye on it. If it gets commands that it
       doesn't understand the scanhead may go beyond the  scan	area.	The  scanner  then  makes
       strange	noises.  In this case immedieately switch off the scanner or disconnect its power
       cable to prevent damages!

       If your scanner is a different one than the models  mentioned  above  and  it  is  working
       please tell the author about it. It would be nice if you add a logfile to this information
       (creation of the logfile: see below).

       If your scanner is not working properly you also should create a logfile and  send  it  to
       the  author.  He  will  use  the information to improve the backend and possibly make your
       scanner work.

       How to create the logfile?

       - put the line
	      "option dump 2" into your microtek2.conf
	       file or change the existing "option dump" to "2"

       - in a terminal (bash) type
	      "export SANE_DEBUG_MICROTEK2=30" and then
	      "scanimage -l0 -t0 -x100 -y20 2>scan.log >sout.pnm"
	      You get two files: scan.log contains the logfile and sout.pnm the scanned image (if
	      there was scanned something). Zip them before sending.

       This  backend  dynamically enables the options for the frontend, that are supported by the
       scanner in dependence of the scanning-mode and other options.  Not supported  options  are

       The following options are supported by the Microtek2-driver:

       Color, grayscale, halftone and lineart scans.

       Highlight, midtone, shadow, contrast, brightness, exposure time control, gamma correction,
       threshold (dependent of the scan mode and the scanner capabilities)

       Transparency media adapter, automatic document feeder

       Additional options can be enabled or disabled in the microtek2.conf file. See the configu-
       ration section of this manpage.

       This backend expects device names of the form:


       Where  special  is the UNIX path-name for the special device that corresponds to the scan-
       ner.  The special device name must be a generic SCSI device or a symlink to such a device.
       Under Linux, such a device name could be /dev/sga or /dev/sge for example.

       The configuration file for this backend resides in /etc/sane.d/microtek2.conf Its contents
       is a list of device names that correspond to  Microtek  scanners  with  SCSI-2  interface.
       Empty lines and lines starting with a hash mark (#) are ignored.

       The  configuration  file  may  also contain options. Global options that are valid for all
       devices are placed above the device names. Device-specific options are  placed  under  the
       device  name. Note that, except for option dump <n> and option strip-height <n>, the entry
       in the microtek2.conf file only enables the corresponding option for being showed  in  the
       frontend.  There,  in  the frontend, you can switch the options on and off.  Currently the
       following options are supported:

	      option dump <n>
	      option strip-height <n>
	      option no-backtrack-option <on/off>
	      option lightlid-35 <on/off>
	      option toggle-lamp <on/off>
	      option lineart-autoadjust <on/off>
	      option backend-calibration <on/off>
	      option colorbalance-adjust <on/off>

       option dump <n> enables printing of additional information about the  SCSI  commands  that
       are  sent to the scanner to stderr. This option is primarily useful for debugging purpose.
       This option has to be a global option and is best placed at the top of the  microtek2.conf

       If n=1 the contents of the command blocks and the results for the INQUIRY and READ SCANNER
       ATTRIBUTES command are printed to stderr.

       If n=2 the contents of the command blocks for all  other  SCSI  commands  are  printed  to
       stderr,	too. If n=3 the contents of the gamma table is printed, too. If n=4 all scan data
       is additionally printed to stderr.

       The default is n=1.

       option strip-height <n> , where <n> is a floating point number, limits the amount of  data
       that is read from the scanner with one read command.  The unit is inch and <n> defaults to
       1.0, if this option is not set in the configuration file. If less than <n>  inch  of  data
       fit into the SCSI buffer, then the smaller value is used and this option has no effect.

       If  your  system  has  a  big  SCSI  buffer  and you want to make use of the whole buffer,
       increase the value for <n>. For example, if <n> is set to 14.0, no restrictions apply  for
       scanners with a letter, legal or A4 sized scan area.

       The  following  options enable or disable additional frontend options. If an option is set
       to <on> an appropriate option will appear in the frontend.

       option no-backtrack-option <on/off>  prevents  the  scanner  head  from	moving	backwards
       between the read commands.  This speeds up scanning. Try it.

       option  lightlid-35  <on/off>  If  you use the LightLid-35 transparency adapter you get an
       advanced option which switches off the flatbed lamp during the scan.

       option toggle-lamp <on/off> You get a button in the frontend where you can switch  on  and
       off the flatbed lamp.

       option  lineart-autoadjust  <on/off>  You  can tell the backend to try to determine a good
       value for the lineart threshold.

       option backend-calibration <on/off> Some scanners (e.g. Phantom 330CX and 636CX)  need  to
       have  calibrated  the  data by the backend. Try this option if you see vertical stripes in
       your pictures.

       option colorbalance-adjust <on/off> Some scanners (e.g. Phantom 330CX and 636CX)  need  to
       have corrected the color balance. If this option is enabled you get advanced options where
       you can balance the colors. And you will have a button to use the values that the firmware
       of the scanner provides.

       A sample configuration file is shown below:

	      option dump 1
	      option strip-height 1.0
	      option no-backtrack-option on
	      # this is a comment
	      option lightlid-35 on

       This  backend  also  supports  the  new configuration file format which makes it easier to
       detect scanners under Linux. If you have only one scanner it would be best to use the fol-
       lowing configuration file for this backend:

	      option dump 1
	      option strip-height 14.0
	      option no-backtrack-option on
	      option backend-calibration on
	      option lightlid-35 on
	      option toggle-lamp on
	      option lineart-autoadjust on
	      option colorbalance-adjust off
	      scsi * * Scanner

       In this case all SCSI-Scanners should be detected automatically because of the

       scsi * * Scanner


	      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
	      controls the debug level for this backend.  E.g., a value of 255 requests all debug
	      output to be printed.  Smaller levels reduce verbosity. To see  error  messages  on
	      stderr  set SANE_DEBUG_MICROTEK2 to 1 (Remark: The whole debugging levels should be
	      better revised).
	      E.g. just say:
	      export SANE_DEBUG_MICROTEK2=128

       sane-scsi(5), sane(7)

       Bernd Schroeder (not active anymore)
       Karsten Festag  karsten.festag@gmx.de

					   28 Jan 2002				sane-microtek2(5)
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