The sane-matsushita library implements a SANE (Scanner Access Now Easy)
backend that provides access to some Panasonic KV-SS high speed scan-
ners. This backend is stable.
At present, the following scanners are known to work with this backend:
(*) WARNING: None of the advanced options of these scanners are avail-
able (ie no color, no high resolution, no automatic cropping). Basi-
cally, the driver does no more than what it does for the KV-SS25. I
don't have access to such scanners, and thus cannot add these options.
Other Panasonic high speed scanners may or may not work with that back-
Valid command line options and their syntax can be listed by using
scanimage --help -d matsushita
--mode selects the basic mode of operation of the scanner.
selects the resolution for a scan. Each model supports all or a
subset of these resolutions: 100, 150, 200, 240, 300, 360, 400.
indicates whether to scan both side of the sheet.
selects the number of pages to scan (one or until the tray is
--paper-size A4|...|Legal|Letter [A4]
options selects the area to scan. It adjust the -l -t -x -y
options accordingly. It does not need to be the real size of the
controls the brightness of the acquired image. The value varies
from 1 to 255, or less, depending on the scanner model.
controls the contrast of the acquired image. Some models do not
support that option.
automatically sets brightness, contrast, white level, gamma,
noise reduction and image emphasis. These options are not avail-
able when automatic-threshold is in use.
option sets the tonal gradation for the halftone mode. Pattern
downloading is not implemented by the backend.
provides automatic separation of text and images.
option indicate the source of the white base.
reduces the isolated dot noise. This option is not supported by
option sets the image emphasis. Some selection are not available
on all scanners.
options set the gamma curve. It is only valid for Gray modes,
and is not available on all scanners. Gamma downloading is not
implemented by the backend.
The configuration file /etc/sane.d/matsushita.conf supports the device
name to use (eg /dev/scanner) and the SCSI option to auto-detect the
The static library implementing this backend.
The shared library implementing this backend (present on systems
that support dynamic loading).
page in duplex mode at high resolution. The frontend will return
a memory error in that case. Apparently, the KV-SS 25D has not
Pattern and gamma downloading
The scanner, with the proper firmware, can download a halftone
pattern and a gamma table. This is not implemented.
The scanner can support up to 3 sub-areas on each side to define
some more precise enhancement options. This is not implemented.
The backend does not support the setting of different options
for each side. The scan will occur with the same options
(halftone pattern, brightness, image emphasis) for both sides.
To date, the only frontend capable of using this scanner at full speed
A scanadf command line would be:
scanadf -d matsushita --output-file scan%04d.pbm --start-count 0
--duplex --resolution 300 --feeder-mode="All pages" --paper-size="A4"
sane-scsi(5), scanimage(1), xscanimage(1), xsane(1), sane(7)
The package is actively maintained by Frank Zago.
11 Jul 2008 sane-matsushita(5)
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