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sane-hpsj5s

NAME

DESCRIPTION

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 unprobable) that your scanner will be damaged.

LIMITATIONS: For now this backend works only at Linux platform.This limitation is due dependance on libieee1284 library. If your system supports libieee1284 too, this backend should work. If you ported libieee1284 for you platform, please let me know.Your system should support EPP (or EPP+ECP ) mode to operate this scaner. Future versions will support ECP and SPP (Nibble and Byte) modes also. It's planned to support for scaners not only at 0 daisy-chain position, but at any one. Support for multiple scaners could be implemented too.

Current version implements only gray scale scaning. 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 NAMES

special

Where special is the parallel port name in form, libieee1284 expects. It seems to be system dependent. Under Linux it's parport0, parport1, etc.  

CONFIGURATION

TIPS

It seems that HP ScanJet 5S scaner uses software noise correction. This feature is not implemented for now. So does gamma correction and calibration. I'll handle it in future versions. Native resolution for this scaner is 300 DPI. Other modes could be jagged in some ways.

FILES

/etc/sane.d/hpsj5s.conf

The backend configuration file (see also description of SANE_CONFIG_DIR below).

/usr/lib/sane/libsane-hpsj5s.a

The static library implementing this backend.

/usr/lib/sane/libsane-hpsj5s.so

The shared library implementing this backend (present on systems that support dynamic loading).

ENVIRONMENT

SANE_CONFIG_DIR

This environment variable specifies the list of directories that may contain the configuration file. Under UNIX, 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).

SEE ALSO