kopia lustrzana https://gitlab.com/sane-project/backends
381 wiersze
13 KiB
Groff
381 wiersze
13 KiB
Groff
.TH sane\-epson2 5 "22 Jan 2009" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
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.IX sane\-epson2
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.SH NAME
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sane\-epson2 \- SANE backend for EPSON scanners
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.SH DESCRIPTION
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The
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.B sane\-epson2
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to Epson flatbed scanners. This library supports
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a similar set of scanners as the sane\-epson driver but was
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developed to support a wider range of connections to the scanner;
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include network access.
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.PP
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Because
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.B sane\-epson
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and
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.B sane\-epson2
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drivers support many of the same devices, if one
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driver gives you problems you may try disabling it to try the other.
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This can be done by removing the driver name from the
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.I dll.conf
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or perhaps by commenting out the options in
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.I epson.conf
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or
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.I epson2.conf.
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.PP
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At present, the following scanners are known to work with this backend:
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.PP
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.RS
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.ft CR
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.nf
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Model: Connection Type
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--------------------------- -------------------
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ActionScanner II SCSI, parallel
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AcuLaser CX11 Series USB, Network
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AcuLaser CX21 Series USB, Network
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CX-3200 USB
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CX-3600 USB
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CX-3650 USB
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CX-4050 USB
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CX-4600 USB
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CX-4800 USB
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CX-5000 USB
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CX-5200 USB
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CX-5400 USB
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CX-6300 USB
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CX-6400 USB
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CX-6500 USB
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CX-6600 USB
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DX-3800 USB
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DX-5000 USB
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DX-5050 USB
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DX-6000 USB
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DX-7400 USB
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ES-300C SCSI, parallel
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ES-300GS SCSI
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ES-600C parallel
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ES-1200C parallel
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Expression 636 SCSI
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Expression 800 SCSI
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Expression 1600 USB, SCSI, IEEE-1394
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Expression 1680 USB, SCSI, IEEE-1394
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FilmScan 200 SCSI
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GT-5000 SCSI, parallel
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GT-5500 SCSI
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GT-6000 parallel
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GT-6500 parallel
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GT-7000 SCSI
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GT-8000 SCSI
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GT-8500 SCSI
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Perfection 610 USB
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Perfection 636S SCSI
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Perfection 636U USB
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Perfection 640 USB
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Perfection 1200S SCSI
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Perfection 1200U USB
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Perfection 1240 USB, SCSI
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Perfection 1640 USB, SCSI
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Perfection 1650 USB
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Perfection 1660 USB
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Perfection 2400 USB
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Perfection 2450 USB, IEEE-1394
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Perfection 3200 USB
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Perfection 4870 USB
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Perfection 4990 USB
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RX-425 USB
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RX-500 USB
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RX-600 USB
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RX-700 USB
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V700 USB, IEEE-1394
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V750 USB, IEEE-1394
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.fi
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.ft R
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and many more. The official list is on the Sane web site.
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.RE
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For other scanners the software may or may not work. Please send mail to
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the sane-backend mailing list to report success with scanners not on
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the list or problems with scanners that are listed.
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.SH OPTIONS
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The options the backend supports can either be selected through command line
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options to programs like
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.BR scanimage (1)
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or through GUI elements in programs like
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.BR xscanimage (1)
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or
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.BR xsane (1).
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Valid command line options and their syntax can be listed by using
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.PP
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.RS
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scanimage \-\-help \-d epson2
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.RE
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.PP
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Not all devices support all options.
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.TP
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.I Scan Mode
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The
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.B \-\-mode
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switch selects the basic mode of operation of the scanner. Valid choices
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are Binary, Gray and Color. The Binary mode is black and white only,
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Gray will produce 256 levels of gray or more depending on the scanner
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and Color means 24 bit color mode or more depending on the scanner.
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Some scanners will internally use 36 bit color, their external interface
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however may only support 24 bits.
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The
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.B \-\-depth
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option selects the bit depth the scanner is using. This option is only
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available for scanners that support more than one bit depth. Older
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scanners will always transfer the image in 8bit mode. Newer scanners
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allow one to select either 8 bits, 12 or 14 bits per color channel. For a
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color scan this means an effective color depth of 36 or 42 bits over
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all three channels. The valid choices depend on the scanner model.
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The
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.B \-\-halftoning
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switch selects the mode that is used in Binary mode. Valid options
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are "None", "Halftone A (Hard Tone)", "Halftone B (Soft Tone)", "Halftone C
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(Net Screen)", "Dither A (4x4 Bayer)", "Dither B (4x4 Spiral)", "Dither C
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(4x4 Net Screen)", "Dither D (8x4 Net Screen)", "Text Enhanced Technology",
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"Download pattern A", and "Download pattern B".
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The
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.B \-\-dropout
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switch selects the so called dropout color. Valid options are None,
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Red, Green and Blue. The default is None. The dropout color is used for
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monochrome scanning and selects the color that is not scanned. This can
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be used to e.g. scan an original with a colored background.
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The
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.B \-\-brightness
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switch controls the brightness of the scan. Valid options are integer
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values from \-3 to 3. The default is 0. The larger the brightness value,
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the brighter the image gets. If a user defined table for the gamma
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correction is selected, the brightness parameter is not available.
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The
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.B \-\-sharpness
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switch sets the sharpness of the image data. Valid options are integer
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values from \-2 to 2, with \-2 meaning "Defocus", \-1 "Defocus slightly",
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0 "Normal", 1 "Sharpen slightly" and 2 "Sharpen".
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The
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.B \-\-gamma\-correction
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switch controls the scanner's internal gamma correction. Valid options are
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"Default", "User defined", "High density printing" "Low density printing"
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and "High contrast printing".
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The
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.B \-\-color\-correction
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switch controls the scanner's internal color correction function. Valid
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options are "No Correction", "Impact\-dot printers", "Thermal printers",
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"Ink\-jet printers" and "CRT monitors". The default is "CRT monitors".
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The
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.B \-\-resolution
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switch selects the resolution for a scan. Some EPSON scanners will scan in
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any resolution between the lowest and highest possible value. The list
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reported by the scanner can be displayed using the "\-\-help \-d epson"
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parameters to
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.BR scanimage (1).
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The
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.B \-\-threshold
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switch selects the minimum brightness to get a white point.
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The
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.B \-\-mirror
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option controls the way the image is scanned. By reading the image data
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from right to left the image is mirrored. Valid options are "yes" and
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"no". The default is "no".
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The
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.B \-\-auto\-area\-segmentation
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switch activates the automatic area segmentation for monochrome scans. The
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scanner will try to determine which areas are text and which contain
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images. The image areas will be halftoned, and the text will be
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improved. Valid options are "yes" and "no". The default is "yes".
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The
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.B \-\-red\-gamma\-table
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parameter can be used to download a user defined gamma table for the
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red channel. The valid options are the same as for \-\-gamma\-table.
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The
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.B \-\-green\-gamma\-table
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parameter can be used to download a user defined gamma table for the
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green channel. The valid options are the same as for \-\-gamma\-table.
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The
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.B \-\-blue\-gamma\-table
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parameter can be used to download a user defined gamma table for the
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blue channel. The valid options are the same as for \-\-gamma\-table.
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The
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.B --wait-for-button
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parameter can be used to wait until the button on the scanner is
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pressed to actually start the scan process.
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The color correction coefficients
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.B \-\-cct\-1 \-\-cct\-2 \-\-cct\-3 ... \-\-cct\-9
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will install color correction coefficients for the user defined color
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correction. Values are specified as integers in the range \-127..127.
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The
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.B \-\-preview
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option requests a preview scan. The frontend software automatically selects a low
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resolution. Valid options are "yes" and "no". The default is "no".
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The geometry options
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.B \-l \-t \-x \-y
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control the scan area:
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.B \-l
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sets the top left x coordinate,
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.BR \-t
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the top left y coordinate,
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.BR \-x
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selects the width and
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.BR \-y
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the height of the scan area. All parameters are specified in millimeters.
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The
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.B \-\-source
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option selects the scan source. Valid options depend on the installed
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options. The default is "Flatbed".
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The
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.B \-\-auto\-eject
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option will eject a page after scanning from the document feeder.
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The
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.B \-\-film\-type
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option will select the film type for scans with the transparency
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unit. This option is only activated if the TPU is selected as scan
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source. Valid options are "Negative Film" and "Positive Film".
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The
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.B \-\-focus\-position
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option selects the focus position for all scans. Valid options are "Focus
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2.5mm above glass" and "Focus on glass". The focus on the 2.5mm point
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above the glass is necessary for scans with the transparency unit, so
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that the scanner can focus on the film if one of the film holders is used.
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This option is only functional for selected scanners, all other scanners
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will ignore this option.
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The
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.B \-\-bay
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option selects which bay to scan.
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The
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.B \-\-eject
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option ejects the sheet in the ADF.
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The
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.B \-\-adf-mode
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option select the ADF mode (simplex/duplex).
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.SH CONFIGURATION FILE
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The configuration file
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.I @CONFIGDIR@/epson2.conf
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specifies the device(s) that the
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backend will use. Possible connection types are:
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.TP
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.B SCSI
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This is the default, and if nothing else is specified the backend software will
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open a given path as SCSI device. More information about valid syntax for SCSI
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devices can be found in
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.BR sane\-scsi (5).
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.br
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Usually SCSI scanners are configured with a line "scsi EPSON" in this file. In
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some cases it may be necessary to only use the string "scsi" (e.g. for the GT-6500).
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.TP
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.B PIO \- Parallel Interface
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The parallel interface can be configured in two ways: An integer value starting
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at the beginning of a line will be interpreted as the IO address of the parallel
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port. To make it clearer that a configured IO address is a parallel port the
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port address can be preceded by the string "PIO". The PIO connection does not
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use a special device file in the
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.I /dev
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directory. The IO address can be specified
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in hex mode (prefixed with "0x").
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.TP
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.B USB
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For USB scanners not automatically detect, their VENDOR and PRODUCT ID can
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be specified manually in the config file.
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More information about valid syntax for USB devices can be found in
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.BR sane\-usb (5).
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.TP
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.B Network
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Network scanners can be auto-discovered if
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.B autodiscovery
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is specified after
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.B net
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keyword. An IP address to connect to can also be used.
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.SH FILES
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.TP
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.I @LIBDIR@/libsane\-epson2.a
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The static library implementing this backend.
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.TP
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.I @LIBDIR@/libsane\-epson2.so
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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.SH ENVIRONMENT
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.TP
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.B SANE_DEBUG_EPSON2
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend. E.g.,
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a value of 128 requests all debug output to be printed. Smaller
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levels reduce verbosity.
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.TP
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.B SANE_DEBUG_EPSON2_SCSI
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If the library was compiled with debug support enabled, this
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environment variable controls the SCSI related debug level for this backend.
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Only a value of 2 is supported.
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.TP
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.B SANE_DEBUG_EPSON2_NET
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If the library was compiled with debug support enabled, this
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environment variable controls the network related debug level for this
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backend. E.g., a value of 128 requests all debug output to be printed.
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Smaller levels reduce verbosity.
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.TP
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.B SANE_EPSON2_CMD_LVL
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This allows one to override the function or command level that the backend
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uses to communicate with the scanner. The function level a scanner
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supports is determined during the initialization of the device. If
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the backend does not recognize the function level reported by the
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scanner it will default to function level B3. Valid function levels
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are A1, A2, B1, B2, B3, B4, B5, B6, B7, B8, D1 and F5. Use this feature
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only if you know what you are doing!
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.SH "SEE ALSO"
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.BR sane\-scsi (5),
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.BR sane\-usb (5),
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.BR scanimage (1),
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.BR xscanimage (1),
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.BR xsane (1)
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.SH BUGS
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None :-) At least none are currently known.
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.SH UNSUPPORTED DEVICES
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The backend may be used with Epson scanners that are not yet listed
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under the list of supported devices. A scanner that is not recognized
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may default to the function level B3, which means that not all
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functions that the scanner may be capable of are accessible.
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If the scanner is not even recognized as an Epson scanner this is
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probably because the device name reported by the scanner is not in the
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correct format. Please send this information to the backend maintainer
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(email address is in the AUTHOR section of this man page or in the
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AUTHORS file of the SANE distribution).
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.SH AUTHOR
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The package is written by Alessandro Zummo and is based on previous
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work done by Karl Hienz Kremer in the epson package as well as based
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on work by Christian Bucher and Kazuhiro Sasayama.
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