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sane-epkowa (5)
  • >> sane-epkowa (5) ( Разные man: Форматы файлов )
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    NAME

    sane-epkowa - SANE backend for EPSON scanners
     
    

    DESCRIPTION

    The sane-epkowa library implements a SANE (Scanner Access Now Easy) backend that provides access to EPSON flatbed scanners. This backend should be considered alpha-quality software!

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

    Model:
    japan other
    ---------------- -------------------
    GT-6600U Perfection 610
    GT-6700U Perfection 640U
    GT-7200U Perfection 1250

                     Perfection 1250 PHOTO
    GT-7300U Perfection 1260

                     Perfection 1260 PHOTO
    GT-7600S Perfection 1200S
    GT-7600U Perfection 1200U
    GT-7600UF Perfection 1200U PHOTO
    GT-7700U Perfection 1240U
    GT-8300UF Perfection 1660 PHOTO
    GT-8700 Perfection 1640SU
    GT-8700F Perfection 1640SU PHOTO
    GT-8200U Perfection 1650
    GT-8200UF Perfection 1650 PHOTO
    GT-9300UF Perfection 2400 PHOTO
    GT-9400 Perfection 3170 PHOTO
    GT-9700F Perfection 2450 PHOTO
    GT-9800F Perfection 3200 PHOTO
    GT-F500 Perfection 2480 PHOTO
    GT-F520 Perfection 3490 PHOTO
    GT-F550 Perfection 2580 PHOTO
    GT-F570 Perfection 3590 PHOTO
    GT-F600 Perfection 4180 PHOTO
    GT-F650 Perfection V100 PHOTO
    GT-F700 Perfection V350 PHOTO
    GT-S600 Perfection V10
    GT-X700 Perfection 4870 PHOTO
    GT-X750 Perfection 4490 PHOTO
    GT-X800 Perfection 4990 PHOTO
    GT-X900 Perfection V700/V750
    ES-2000 Expression 1600
    ES-2200 Expression 1680
    ES-6000 GT-10000
    ES-6000H GT-10000+
    ES-6000HS
    ES-7000H GT-15000
    ES-8500 Expression 1640XL
    ES-9000H GT-30000
    ES-10000G Expression 10000XL
    ES-H300 GT-2500

                     Stylus CX2800/CX2900/ME200
    PX-A550 Stylus CX3500/CX3600

                     Stylus CX3700/CX3800/DX3800
    PX-A620 Stylus CX3900/DX4000  


                     Stylus CX4100/CX4200/DX4200

                     Stylus CX4500/CX4600
    PX-A650 Stylus CX4700/CX4800/DX4800

                     Stylus CX4900/CX5000/DX5000
    CC-600PX Stylus CX5100/CX5200

                     Stylus CX5300/CX5400
    PX-A720 Stylus CX5900/CX6000/DX6000

                     Stylus CX6300/CX6400

                     Stylus CX6500/CX6600

                     Stylus CX7700/CX7800
    PM-A700 Stylus Photo RX420/RX425/RX430

                     Stylus Photo RX500/RX510
    PM-A750 Stylus Photo RX520/RX530
    PM-A820 Stylus Photo RX560/RX580/RX590
    PM-A850 Stylus Photo RX600/RX610
    PM-A870 Stylus Photo RX620/RX630
    PM-A890 Stylus Photo RX640/RX650
    PM-A900 Stylus Photo RX700
    PM-A920
    PM-A950
    PM-A970
    PM-T990
    LP-A500 AcuLaser CX11
    LP-M5500
    LP-M5600

    For other scanners the software may or may not work. Please send mail to [email protected] to report successes or failures.  

    OPTIONS

    The options the backend supports can either be selected through command line options to programs like scanimage or through GUI elements in xscanimage or xsane.

    Valid command line options and their syntax can be listed by using

    scanimage --help -d epkowa
    Not all devices support all options.
    Scan Mode
    The --mode switch selects the basic mode of operation of the scanner valid choices are Binary, Gray and Color. The Binary mode is black and white only, Gray will produce up to 256 levels of gray and Color means 24 bit color mode. Some scanners will internally use 36 bit color, the external interface however does only support 24 bits.

    The --dropout option determines which color filters are used to scan in Binary mode. Valid choices are None, Red, Green and Blue.

    The --halftoning switch selects the mode that is used in Binary mode. Valid options are None, Halftone A (Hard Tone), Halftone B (Soft Tone), Halftone C (Net Screen), Dither A (4x4 Bayer), Dither B (4x4 Spiral), Dither C (4x4 Net Screen), Dither D (8x4 Net Screen), Text Enhanced Technology, Download pattern A, and Download pattern B.

    The --dropout switch selects the so called dropout color. Vald options are None, Red, Green and Blue. The default is None. The dropout color is used for monochrome scanning and selects the color that is not scanned. This can be used to e.g. scan an original with a colored background.

    The --brightness switch controls the brightness of the scan. Valid options are the numbers from -3 to 3. The default is 0. The larger the brightness value, the brighter the image gets. If a user defined table for the gamma correction is selected, the brightness parameter is not available.

    The --sharpness switch sets the sharpness of the image data. Valid options are the numbers from -2 to 2, with -2 meaning "Defocus", -1 "Defocus slightly", 0 "Normal", 1 "Sharpen slighly" and 2 "Sharpen".

    The --gamma-correction switch controls the scanne internal gamma correction. Valid options are "Default", "User defined", "High density printing" "Low density printing" and "High contrast printing".

    The --color-correction switch controls the scanner internal color correction function. Valid options are "No Correction", "Impact-dot printers", "Thermal printers", "Ink-jet printers" and "CRT monitors". The default is "CRT monitors".

    The --resolution switch selects the resolution for a scan. Many EPSON scanners will scan in any resulution between the lowest and highest possible value. The list reported by the scanner can be displayed using the "--help -d epkowa" parameters to scanimage.

    The --mirror option controls the way the image is scanned. By reading the image data from right to left the image is mirored. Valid options are "yes" and "no". The default is "no".

    The --speed option can improve the scan speed in monochrome mode. Valid options are "yes" or "no", the "yes" option will speed up the scan if this option is supported.

    The --auto-area-segmentation switch turns on the automatic area segmentation for monochrome scans. The scanner will try to determine which areas are text and which contain images. The image areas will be halftoned, and the text will be impoved. Valid options are "yes" and "no". The default is "yes".

    The --gamma-table parameter can be used to download a user defined gamma table. The options takes 256 values from the range 0-255. In color mode this option equally affects the red, green, and blue channel.

    The --red-gamma-table parameter can be used to download a user defined gamma table for the red channel. The valid options are the same as for --gamma-table.

    The --green-gamma-table parameter can be used to download a user defined gamma table for the green channel. The valid options are the same as for --gamma-table.

    The --blue-gamma-table parameter can be used to download a user defined gamma table for the blue channel. The valid options are the same as for --gamma-table.

    The color correction coefficients --cct-1 --cct-2 --cct-3 ... --cct-9 will install color correction coefficients for the user defined color correction. Possible values are in the range -127..127.

    The --preview option requests a preview scan. The frontend software automatically selects a low resolution. Valid options are "yes" and "no". The default is "no".

    The --preview-speed options will increase the scan speed if this is supported by the scanner. Valid options are "yes" and "no", the default is "no".
     

    The geometry options -l -t -x -y control the scan area: -l sets the top left x coordinate, -t the top left y coordinate, -x selects the width and -y the height of the scan aea. All parameters are specified in milimeters.

    The --quick-format option lets the user select a scan area with predefined sizes. Valid parameters are "CD", "A5 portrait", "A5 landscape", "Letter", "A4" and "max". The default is "max", which selects the largest possible area.

    The --source option selects the scan source. Valid options depend on the installed options. The default is "Flatbed".

    The --auto-eject option will eject a page after scanning from the document feeder.

     

    CONFIGURATION FILE

    The configuration file /etc/sane.d/epkowa.conf specifies the device(s) that the backend will use. The current version only supports one scanner per EPSON backend. Possible connection types are:
    SCSI
    This is the default, and if nothing else is specified the backend software will open a given patch as SCSI device. More information about valid syntax for SCSI devices can be found in sane-scsi(5).
    PIP - Parallel Interface
    The parallel interface can be configured in two ways: An integer number starting at the beginning of a line will be interpreted as the IO address of the parallel port. To make it clearer that a configured IO address is a parallel port the port address can be preceded by the string "PIO". The PIO connection does not use a special device file in the /dev directory.
    USB
    A device file that is preceded by the string "USB" is treated as a scanner connected via the Universal Serial Bus. The correct special device file has to be created prior to using it with Sane. See the USB documentation for more information about how to set up the USB subsystem and the required device files.
     

    FILES

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

    ENVIRONMENT

    SANE_DEBUG_EPKOWA
    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_EPSON_CMD_LVL
    This allows to override the function or command level that the backend uses to communicate with the scanner. The function level a scanner supports is determined during the initialization of the device. If the backend does not recognize the function level reported by the scanner it will default to function level B5. Valid function levels are A1, A2, B1, B2, B3, B4, B5, B6, B7, B8 and F5. Use this feature only if you know what you are doing!

     

    SEE ALSO

    sane-scsi(5), scanimage(1), xscanimage(1), xsane(1), sane-epson(5)

     

    BUGS

    When used with "scanimage -T" the backend hangs after sucessfully completing the tests. It is necessary to powercycle the scanner to get the communication between backend and scanner going again.

    Sometimes the scanner is not initialized correctly. The problem can be resolved by killing the program and restarting it again.

     

    UNSUPPORTED DEVICES

    The backend may be used with EPSON scanners that are not yet listed under the list of supported devices. A scanner that is not recognized may default to the function level B3, which means that not all functions that the scanner may be capable of are accessible.

    If the scanner is not even recognized as an EPSON scanner it is probably because the device name eported by the scanner is not in the correct format. Please send this information to the backend maintainer (email address is in the AUTHORS file).devices. A scanner that is not recognized may default to the function level B3, which means that not all functions that the scanner may be capable of are accessible.

    If the scanner is not even recognized as an EPSON scanner it is probably because the device name eported by the scanner is not in the correct format. Please send this information to the backend maintainer (email address is in the AUTHORS file).

     

    AUTHOR

    EPSON AVASYS Corporation


     

    Index

    NAME
    DESCRIPTION
    OPTIONS
    CONFIGURATION FILE
    FILES
    ENVIRONMENT
    SEE ALSO
    BUGS
    UNSUPPORTED DEVICES
    AUTHOR


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