According to our support page: http://www.sane-project.org/cgi-bin/driver.pl?manu=syscan&model=685&bus=any&v=&p=
the backend does not fully support duplex: "front- and backside side-by-side, with backside mirrored horizontally." Have you tried making your requested image wider? allan 2011/11/14 ??? <mimisturtle at gmail.com>: > I am sorry, but -b seems not to solve my problems >< > I want to activate the duplex features of DocketPort 685 > (DocketPort 685 is a duplex scanner with two sensors, up and down) > to scan a name card and get its images of front and back at the same time. > > I've found an article teaching how to activate duplex feature through sane > but it is device-dependent. ( the artcicle is about Canon P-150 scanner) > The original link is here > http://ubuntuforums.org/showthread.php?t=1671216 > According to the article , i've done the following steps > 1. scanimage -L > ??? output: device `genesys:libusb:002:003' is a Syscan/Ambir DocketPORT 685 > flatbed > ?????????????? scanner > 2. scanimage --help --device-name canondr:libusb:002:002 > ??? output is in the tail of this mail > ?(the sensor field is blank, and i didnt found any useful option for > enabling duplex features , which means it doesn't support duplex feature?) > > Could anyone kindly tell me that Is there any modification of source code > (I've compiled sane on my own) or any other ways to use duplex feature of > DocketPort 685 through sane ? > > Thank you for reading this >< > > -------output start----------------------------------- > Usage: scanimage [OPTION]... > > Start image acquisition on a scanner device and write image data to > standard output. > > Parameters are separated by a blank from single-character options (e.g. > -d epson) and by a "=" from multi-character options (e.g. > --device-name=epson). > -d, --device-name=DEVICE?? use a given scanner device (e.g. hp:/dev/scanner) > ??? --format=pnm|tiff????? file format of output file > -i, --icc-profile=PROFILE? include this ICC profile into TIFF file > -L, --list-devices???????? show available scanner devices > -f, --formatted-device-list=FORMAT similar to -L, but the FORMAT of the > output > ?????????????????????????? can be specified: %d (device name), %v (vendor), > ?????????????????????????? %m (model), %t (type), %i (index number), and > ?????????????????????????? %n (newline) > -b, --batch[=FORMAT]?????? working in batch mode, FORMAT is `out%d.pnm' or > ?????????????????????????? `out%d.tif' by default depending on --format > ??? --batch-start=#??????? page number to start naming files with > ??? --batch-count=#??????? how many pages to scan in batch mode > ??? --batch-increment=#??? increase page number in filename by # > ??? --batch-double???????? increment page number by two, same as > ?????????????????????????? --batch-increment=2 > ??? --batch-prompt???????? ask for pressing a key before scanning a page > ??? --accept-md5-only????? only accept authorization requests using md5 > -p, --progress???????????? print progress messages > -n, --dont-scan??????????? only set options, don't actually scan > -T, --test???????????????? test backend thoroughly > -A, --all-options????????? list all available backend options > -h, --help???????????????? display this help message and exit > -v, --verbose????????????? give even more status messages > -B, --buffer-size=#??????? change input buffer size (in kB, default 32) > -V, --version????????????? print version information > Options specific to device `genesys:libusb:002:003': > ? Scan Mode: > ??? --mode Color|Gray|Lineart [Gray] > ??????? Selects the scan mode (e.g., lineart, monochrome, or color). > ??? --source Flatbed|Transparency Adapter [inactive] > ??????? Selects the scan source (such as a document-feeder). > ??? --preview[=(yes|no)] [no] > ??????? Request a preview-quality scan. > ??? --depth 8|16 [8] > ??????? Number of bits per sample, typical values are 1 for "line-art" and 8 > ??????? for multibit scans. > ??? --resolution 600|300|150|75dpi [300] > ??????? Sets the resolution of the scanned image. > ? Geometry: > ??? -l 0..212mm [0] > ??????? Top-left x position of scan area. > ??? -t 0..500mm [0] > ??????? Top-left y position of scan area. > ??? -x 0..212mm [212] > ??????? Width of scan-area. > ??? -y 0..500mm [500] > ??????? Height of scan-area. > ? Enhancement: > ??? --custom-gamma[=(yes|no)] [no] > ??????? Determines whether a builtin or a custom gamma-table should be used. > ??? --gamma-table 0..65535,... [inactive] > ??????? Gamma-correction table.? In color mode this option equally affects > the > ??????? red, green, and blue channels simultaneously (i.e., it is an > intensity > ??????? gamma table). > ??? --red-gamma-table 0..65535,... [inactive] > ??????? Gamma-correction table for the red band. > ??? --green-gamma-table 0..65535,... [inactive] > ??????? Gamma-correction table for the green band. > ??? --blue-gamma-table 0..65535,... [inactive] > ??????? Gamma-correction table for the blue band. > ??? --swdeskew[=(yes|no)] [no] > ??????? Request backend to rotate skewed pages digitally > ??? --swcrop[=(yes|no)] [no] > ??????? Request backend to remove border from pages digitally > ??? --swdespeck[=(yes|no)] [no] > ??????? Request backend to remove lone dots digitally > ??? --despeck 1..9 (in steps of 1) [1] > ??????? Maximum diameter of lone dots to remove from scan > ? Extras: > ??? --lamp-off-time 0..60 [15] > ??????? The lamp will be turned off after the given time (in minutes). A > value > ??????? of 0 means, that the lamp won't be turned off. > ??? --threshold 0..100% (in steps of 1) [50] > ??????? Select minimum-brightness to get a white point > ??? --threshold-curve 0..127 (in steps of 1) [50] > ??????? Dynamic threshold curve, from light to dark, normally 50-65 > ??? --disable-dynamic-lineart[=(yes|no)] [no] > ??????? Disable use of a software adaptive algorithm to generate lineart > ??????? relying instead on hardware lineart. > ??? --disable-interpolation[=(yes|no)] [no] > ??????? When using high resolutions where the horizontal resolution is > smaller > ??????? than the vertical resolution this disables horizontal interpolation. > ??? --color-filter Red|Green|Blue|None [None] > ??????? When using gray or lineart this option selects the used color. > ? Sensors: > ? Buttons: > ??? --calibrate [] > ??????? Start calibration using special sheet > ??? --clear-calibration [] > ??????? Clear calibration cache > > Type ``scanimage --help -d DEVICE'' to get list of all options for DEVICE. > > List of available devices: > ??? genesys:libusb:002:003 > > > 2011/11/11 m. allan noah <kitno455 at gmail.com> >> >> You need to add the -b argument to scanimage, if you want multiple >> images. See man scanimage for details and other related options. >> >> allan >> >> On Fri, Nov 11, 2011 at 4:14 AM, ??? <mimisturtle at gmail.com> wrote: >> > Can I use SANE (scanimage) to get a duplex image from DocketPort 685 >> > i have tried ?"scanimage --help -d?genesys:libusb:002:017" >> > >> > it showed messags but i found that >> > "sensor:" was leaved blank , which meaned it didnt support "duplex" ? >> > >> > the sane utility was complied by my own >> > I used sane-backends-1.0.22.tar.gz, libusb-0.1.12.tar.gz >> > >> > Could you kindly? help me to get? a docketPort 685 duplex-supported sane >> > utility(scanimage) by modfication of source code or any other ways to >> > achieve it ? >> > >> > >> > Thanks a lot~ >> > >> > >> > >> > -- >> > sane-devel mailing list: sane-devel at lists.alioth.debian.org >> > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel >> > Unsubscribe: Send mail with subject "unsubscribe your_password" >> > ? ? ? ? ? ? to sane-devel-request at lists.alioth.debian.org >> > >> >> >> >> -- >> "The truth is an offense, but not a sin" > > -- "The truth is an offense, but not a sin"
