sane-hpsj5s.5 - Online Linux Manual Page

sane−hpsj5s - Online Linux Manual PageSection : 5
Updated : 13 Jul 2008
Source :
Note : SANE Scanner Access Now Easy
.IX sane−hpsj5s

NAMEsane−hpsj5s − SANE backend for HP ScanJet 5S sheet-fed scanner

DESCRIPTIONThe sane−hpsj5s library implements a SANE (Scanner Access Now Easy) backend that provides access to a parallel port Hewlett-Packard ScanJet 5S scanner. IMPORTANT: this is alpha code. Don't expect this to work correctly. Many functions are missing, others contain errors. In some cases, your computer might even hang. It cannot be excluded (although I consider it extremely improbable) that your scanner will be damaged. LIMITATIONS: For now this backend works only on Linux. This limitation is due to dependence on the libieee1284(3) library. If your system supports libieee1284(3) too, this backend should work. If you ported libieee1284(3) for your platform, please let me know. Your system should support EPP (or EPP+ECP) mode to operate this scanner. Future versions will support ECP and SPP (Nibble and Byte) modes also. It's planned to support scanners not only at daisy-chain position 0, but anywhere. Support for multiple scanners could be implemented too. Current version implements only gray scale scanning. True Color and B/W modes are not supported for now. That said, TESTERS ARE WELCOME. Send your bug reports and comments to Max Vorobiev <pcwizard@yandex.ru>.

DEVICE NAMESThis backend expects device names of the form: special Where special is the parallel port name in form, libieee1284(3) expects. It seems to be system dependent. Under Linux it's parport0, parport1, etc.

CONFIGURATIONThe contents of the hpsj5s.conf file is a list of parport names that correspond to HP ScanJet 5S scanners. Empty lines and lines starting with a hash mark (#) are ignored. Only one device name can be listed in hpsj5s.conf for this moment. Future versions will support daisy chain selection.

TIPSIt seems that HP ScanJet 5S scanner uses software noise correction. This feature, along with gamma correction and calibration, are not implemented for now. They will be handled in future versions. Native resolution for this scanner is 300 DPI. Other modes may present aliasing artifacts.

FILES/etc/sane.d/hpsj5s.conf The backend configuration file (see also description of SANE_CONFIG_DIR below). /usr/lib64/sane/libsane−hpsj5s.a The static library implementing this backend. /usr/lib64/sane/libsane−hpsj5s.so The shared library implementing this backend (present on systems that support dynamic loading).

ENVIRONMENTSANE_CONFIG_DIR This environment variable specifies the list of directories that may contain the configuration file. On *NIX systems, the directories are separated by a colon (`:'), under OS/2, they are separated by a semi-colon (`;'). If this variable is not set, the configuration 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 separator 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_HPSJ5S If the library was compiled with debug support enabled, this environment variable controls the debug level for this backend. Higher debug levels increase the verbosity of the output.

SEE ALSOsane(7), libieee1284(3)
http://hpsj5s.sourceforge.net
http://cyberelk.net/tim/libieee1284

AUTHORMax Vorobiev
Man page mostly based on canon.man. 0

Johanes Gumabo

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