sane-mustek_pp.5



sane-mustek_pp(5)                                            sane-mustek_pp(5)


NAME

       sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners


DESCRIPTION

       The sane-mustek_pp library implements a SANE (Scanner Access Now  Easy)
       backend  that  provides access to Mustek parallel port flatbed scanners
       and OEM versions.

       There are 2 classes of Mustek parallel port scanners: regular CCD (cold
       cathode device) scanners and CIS (contact image sensor) scanners.

       The current version of this backend supports both CCD type scanners and
       CIS type scanners.

       The following scanners might work with this backend:

   CCD scanners
       lb lb lb lb _ _ _  _  l  l  l  l.   Model:               ASIC  ID:  CCD
       Type: works:  SE  6000  P            1013       00        yes SM 4800 P
           1013/1015 04/01        yes  SE  1200  ED  Plus       1015        01
         no   SM   1200   ED  Plus      1015       01         no  SE  12000  P
           1505         05         no  600  III  EP  Plus      1013/1015 00/01
         yes   SE   600   SEP           1013       ??         yes  600  II  EP
           ????      ??        no MD9848              1015      00         yes
       Gallery  4800         ????       ??        yes Viviscan Compact II 1013
         00         yes

   CIS scanners
       lb lb lb _ _ _ l l l.  Model:              ASIC ID:  works: Mustek  600
       CP  &  96  CP    1015       yes  (*)  Mustek 1200 CP      1015      yes
       Mustek 1200 CP+     1015      yes

       lb  lb  lb  _  _  _  l  l  l.   OEM   versions          Original  works
       Medion/LifeTec/Tevion
          MD/LT 9350/9351  1200 CP   yes
          MD/LT 9850/9851  1200 CP   maybe (**)
          MD/LT 9858       1200 CP   probably
          MD/LT 9890/9891  1200 CP   yes Targa
          Funline TS12EP   1200 CP   yes
          Funline TS6EP    600 CP    yes Trust
          Easy Connect 9600+    600 CP    yes Cybercom
          9352             1200 CP   yes (***)

       (*)     Calibration   problems  existed  with  earlier  version of this
              driver. They seem to be solved now.

       (**)   Problems have been reported in the past for the  MD/LT9850  type
              (striped  scans,  head moving in wrong direction at some resolu-
              tions). It is not known  whether  the  current  version  of  the
              driver still has these problems.

       IF  YOU  HEAR  LOUD  CLICKING  NOISES, IMMEDIATELY UNPLUG THE SCANNER !
       (This holds for any type of scanner).

       (***)  Possibly, the engine_delay parameter has to be set to 1  ms  for
              accurate engine movements.

       Please note that this backend is still under construction. Certain mod-
       els are currently not supported and some may never be because the  com-
       munication protocol is still unknown (eg., SE 12000 P).

       Some scanners work faster when EPP/ECP is enabled in the BIOS. EPP mode
       however may lead to hard-locks on some Linux systems. If  that  is  the
       case for you, you can either disable ECP/EPP in your BIOS or disable it
       in the backend itself (see GLOBAL OPTIONS).

       Note that the backend needs to run as root or has to  have  appropriate
       access  rights  to /dev/parport* if libieee1284 support is compiled in.
       To allow user access to the scanner run the backend through the network
       interface  (See  saned(8)  and sane-net(5)). Note also that the backend
       does not support parport sharing, i.e. if you try printing while  scan-
       ning,  your  computer may crash. To enable parport sharing, you have to
       enable libieee1284 at compile time. This backend  also  conflicts  with
       the  sane-musteka4s2  backend.  You can only enable one of them in your
       dll.conf. However, you have to enable the backend  explicitly  in  your
       dll.conf, just remove the hash mark in the line "mustek_pp".


DEVICE DEFINITION

       This  backend  allows multiple devices being defined and configured via
       the mustek_pp.conf file (even simultaneously, provided  that  they  are
       connected  to  different parallel ports). Please make sure to edit this
       file before you use the backend.

       A device can be defined as follows:

              scanner <name> <port name> <driver>

       where

       <name> is an arbitrary name for the device, optionally enclosed by dou-
              ble quotes, for instance "LifeTec 9350".

       <port  name>  is  the  name of the parallel port to which the device is
              connected. In case libieee1284 is used  for  communication  with
              the  port  (default  setup), valid port names are parport0, par-
              port1, and parport2.

       In case the  backend  is  configured  for  raw  IO  (old  setup),  port
       addresses  have  to  be  used  instead  of port names: 0x378, 0x278, or
       0x3BC.  The mapping of parallel ports (lp0,  lp1,  and  lp2)  to  these
       addresses  can  be  different  for different Linux kernel versions. For
       instance, if you are using a Kernel 2.2.x or better and you  have  only
       one  parallel  port,  this  port  is  named  lp0 regardless of the base
       address. However, this backend requires the base address of your  port.
       If  you  are  not  sure which port your scanner is connected to, have a
       look at your /etc/conf.modules, /etc/modules.conf and/or /proc/ioports.

       If  you  are unsure which port to use, you can use the magic value * to
       probe for your scanner.

       <driver> is the driver to use  for  this  device.  Currently  available
              drivers are:

              cis600   : for 600 CP, 96 CP & OEM versions
              cis1200  : for 1200 CP & OEM versions
              cis1200+ : for 1200 CP+ & OEM versions
              ccd300   : for 600 IIIE P & OEM version

              Choosing the wrong driver can damage your scanner!
              Especially, using the 1200CP settings on a 600CP can be harmful.
              If the scanner starts making a loud noise, turn it  off  immedi-
              ately !!!

       Using  the  cis600  driver  on  a  1200CP  or a 1200CP+ is probably not
       dangerous. The cis1200+ driver also works for the 1200CP, and using the
       cis1200  driver  on a 1200CP+ will typically result in scans that cover
       only half of the width of the scan area (also not dangerous).

       If unsure about the exact model of your OEM version, check the  optical
       resolution in the manual or on the box: the 600CP has a maximum optical
       resolution of 300x600 DPI, whereas the 1200CP and 1200CP+ have a  maxi-
       mum optical resolution of 600x1200 DPI.

       Examples:

              scanner "LifeTec 9350" 0x378 cis1200

              scanner Mustek_600CP 0x378 cis600

              scanner Mustek_600IIIEP * ccd300

       If  in  doubt  which  port  you have to use, or whether your scanner is
       detected at all, you can use sane-find-scanner -p to probe all  config-
       ured ports.


CONFIGURATION

       The contents of the mustek_pp.conf file is a list of device definitions
       and device options that correspond to Mustek scanners.  Empty lines and
       lines  starting with a hash mark (#) are ignored. Options have the fol-
       lowing format:

              option <name> [<value>]

       Depending on the nature of the option,  a  value  may  or  may  not  be
       present.   Options always apply to the scanner definition that precedes
       them. There are no global options. Options  are  also  driver-specific:
       not all drivers support all possible options.

   Common options
       bw <value>
              Black/white discrimination value to be used during lineart scan-
              ning. Pixel values below this value are  assumed  to  be  black,
              values above are assumed to be white.
              Default value: 127
              Minimum:         0
              Maximum:       255

              Example:  option bw 150

   CIS driver options
       top_adjust <value>
              Vertical  adjustment  of  the  origin,  expressed  in millimeter
              (floating point).  This option can  be  used  to  calibrate  the
              position  of  the  origin,  within certain limits. Note that CIS
              scanners are probably temperature sensitive, and that a  certain
              inaccuracy  may  be hard to avoid. Differences in offset between
              runs in the order of 1 to 2 mm are not unusual.
              Default value: 0.0
              Minimum:      -5.0
              Maximum:       5.0

              Example:  option top_adjust -2.5

       slow_skip
              Turns fast skipping to the start of the scan  region  off.  When
              the region to scan does not start at the origin, the driver will
              try to move the scanhead to the start of the scan  area  at  the
              fastest  possible  speed.  On  some  models,  this may not work,
              resulting in large inaccuracies (up to centimeters).  By setting
              this  option,  the  driver  is forced to use normal speed during
              skipping, which can circumvent the accuracy problems. Currently,
              there  are  no  models  for  which these inaccuracy problems are
              known to occur.

              By default, fast skipping is used.

              Example:  option slow_skip

       engine_delay <value>
              Under normal circumstances, it is sufficient for the  driver  to
              wait for the scanner signaling that the engine is stable, before
              a new engine command can be transmitted. In rare cases,  certain
              scanners  and/or  parallel port chipsets appear to prevent reli-
              able detection of the engine state. As a result, engine commands
              are  transmitted  too  soon and the movement of the scanner head
              becomes unreliable. Inaccuracies ranging up to 10  cm  over  the
              whole  vertical  scan  range  have been reported. To work around
              this problem, the engine_delay option can be set. If it is  set,
              the driver waits an additional amount of time after every engine
              command, equal to the engine_delay parameter, expressed in  mil-
              liseconds. It practice an engine_delay of 1 ms is usually suffi-
              cient. The maximum delay is 100 ms.

              Note that every additional ms of delay can add up to 14  seconds
              to  the total scanning time (highest resolution), so an as small
              as possible value is preferred.

              Default value:   0
              Minimum:         0
              Maximum:       100

              Example:  option engine_delay 1

          CCD driver options

       top <value>
              Number of scanlines to skip to the start of the scan  area.  The
              number  can  be  any positive integer. Values known to me are 47
              and 56.

              Default value: 47
              Minimum:       0
              Maximum:       none

              Example:  option top 56

       waitbank <value>
              The number of usecs to wait for a bank change.  You  should  not
              touch this value actually. May be any positive integer

              Default value: 700
              Minimum:       0
              Maximum:       none

              Example:  option waitbank 700

       A sample configuration file is shown below:

       #
       # LifeTec/Medion 9350 on port 0x378
       #
       scanner "LifeTec 9350" 0x378 cis1200

       # Some calibration options (examples!).
       option bw 127
       option top_skip -0.8

       #
       # A Mustek 600CP on port 0x3BC
       #
       scanner "Mustek 600CP" 0x3BC cis600

       # Some calibration options (examples!).
       option bw 120
       option top_skip 1.2

       #
       # A Mustek 1200CP+ on port 0x278
       #
       scanner "Mustek 1200CP plus" 0x278 cis1200+

       # Some calibration options (examples!).
       option bw 130
       option top_skip 0.2

       #
       # A Mustek 600 III EPP on port parport0
       #
       scanner "Mustek 600 III EPP" parport0 ccd300

       # Some calibration options (examples!).
       option bw 130
       option top 56


GLOBAL OPTIONS

       You  can  control  the  overall  behaviour  of the mustek_pp backend by
       global  options  which  precede   any   scanner   definition   in   the
       mustek_pp.conf file.

       Currently, there is only one global option:

   Global options
       no_epp Disable  parallel port mode EPP: works around a known bug in the
              Linux parport code. Enable this option,  if  the  backend  hangs
              when trying to access the parallel port in EPP mode.

              Default value: use EPP

              Example:  option no_epp


FILES

       /etc/sane.d/mustek_pp.conf
              The   backend   configuration  file  (see  also  description  of
              SANE_CONFIG_DIR below).

       /usr/lib/sane/libsane-mustek_pp.a
              The static library implementing this backend.

       /usr/lib/sane/libsane-mustek_pp.so
              The shared library implementing this backend (present on systems
              that support dynamic loading).


ENVIRONMENT

       SANE_CONFIG_DIR
              This environment variable specifies the list of directories that
              may contain the configuration file.  Under UNIX, the directories
              are  separated  by a colon (':'), under OS/2, they are separated
              by a semi-colon (';').  If this variable is not set, the config-
              uration  file is searched in two default directories: first, the
              current working directory (".") and then in /etc/sane.d.  If the
              value  of the environment variable ends with the directory sepa-
              rator character, then the default directories are searched after
              the  explicitly  specified  directories.   For  example, setting
              SANE_CONFIG_DIR to "/tmp/config:" would  result  in  directories
              "tmp/config",  ".",  and  "/etc/sane.d"  being searched (in this
              order).

       SANE_DEBUG_MUSTEK_PP
              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.

              lb lb; l l.  level     debug output -    -
               0   nothing
               1   errors
               2   warnings & minor errors
               3   additional information
               4   debug information
               5   code flow (not supported yet)
               6   special debug information

       SANE_DEBUG_SANEI_PA4S2
              This  variable  sets  the debug level for the SANE interface for
              the Mustek chipset A4S2. Note that enabling this will spam  your
              terminal with some million lines of debug output.

              lb lb; l l.  level     debug output -    -
               0   nothing
               1   errors
               2   warnings
               3   things nice to know
               4   code flow
               5   detailed code flow
               6   everything


SEE ALSO

       sane(7), sane-mustek(5), sane-net(5), saned(8), sane-find-scanner(1)

       For latest bug fixes and information see
              http://www.penguin-breeder.org/sane/mustek_pp/

       For additional information on the CIS driver, see
              http://home.scarlet.be/eddy_de_greef/


AUTHORS

       Jochen Eisinger <jochen at penguin-breeder dot org>
       Eddy De Greef <eddy_de_greef at scarlet dot be>


BUGS

       Too     many...     please     send     bug     reports     to    sane-
       devel@lists.alioth.debian.org (note that you have to subscribe first to
       the   list   before   you   can  send  emails...  see  http://www.sane-
       project.org/mailing-lists.html)


BUG REPORTS

       If something doesn't work, please contact us (Jochen for the CCD  scan-
       ners,  Eddy  for  the CIS scanners). But we need some information about
       your scanner to be able to help you...

       SANE version
              run "scanimage -V" to determine this

       the backend version and your scanner hardware
              run "SANE_DEBUG_MUSTEK_PP=128 scanimage  -L"  as  root.  If  you
              don't  get  any  output  from the mustek_pp backend, make sure a
              line "mustek_pp" is included into your /etc/sane.d/dll.conf.  If
              your  scanner isn't detected, make sure you've defined the right
              port address in your mustek_pp.conf.

       the name of your scanner/vendor
              also a worthy information. Please also include the optical reso-
              lution  and  lamp type of your scanner, both can be found in the
              manual of your scanner.

       any further comments
              if you have comments about the documentation (what could be done
              better),  or  you  think I should know something, please include
              it.

       some nice greetings

                               November 17 2003              sane-mustek_pp(5)

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