sane-sm3840(5)           SANE Scanner Access Now Easy           sane-sm3840(5)


       sane-sm3840 - SANE backend for Microtek scanners with SCAN08 USB chip


       The  sane-sm3840  library  implements  a SANE (Scanner Access Now Easy)
       backend that provides access to some Microtek scanners with the  SCAN08
       USB chip.

       There  exist backends for Microtek scanners with SCSI command set.  Re-
       fer to sane-microtek(5) and sane-microtek2(5) for details.

       There also exists a Microtek 3600 series driver, see sane-sm3600(5) for

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

              Vendor     Product ID:     Remark:
              --------   --------------  -----------
              Microtek   ScanMaker 3840  All modes OK
              Microtek   ScanMaker 4800  All modes OK

       If you own a Microtek scanner with the SCAN08 chip other than the  ones
       listed  above,  it may or may not work with SANE.  Feel free to contact
       the backend author ( to report results with scanners
       not on the list.


       The following options are supported by the sane-sm3840 driver:

       --mode color|gray|lineart|halftone
              Color or grayscale mode.

       --resolution 150|300|600|1200
              Pixels per inch for scans.

       --depth 8|16
              Note that the least significant bits of 16bpp mode may be noise.

       --brightness 1..4096
              Higher numbers increase brightness of returned image.

       --contrast 0.1..9.9
              Larger numbers decrease contrast of returned image.

       --lamp-timeout 1..15
              Time in minutes until the lamp is turned off after a scan.


       This backend does not support a configuration file right now.


              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 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. To see error messages on stderr
              set SANE_DEBUG_SM3840 to 1.


       sane(7), sane-microtek(5), sane-microtek2(5), sane-sm3600(5)


       Earle F. Philhower III <>

                                  11 Jul 2008                   sane-sm3840(5)

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