kopia lustrzana https://gitlab.com/sane-project/backends
122 wiersze
3.7 KiB
Groff
122 wiersze
3.7 KiB
Groff
.TH sane\-hpsj5s 5 "13 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
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.IX sane\-hpsj5s
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.SH NAME
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sane\-hpsj5s \- SANE backend for HP ScanJet 5S sheet-fed scanner
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.SH DESCRIPTION
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The
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.B sane\-hpsj5s
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to a parallel port Hewlett-Packard ScanJet 5S scanner.
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.PP
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IMPORTANT: this is alpha code. Don't expect this to work
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correctly. Many functions are missing, others contain errors. In some
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cases, your computer might even hang. It cannot be excluded (although
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I consider it extremely improbable) that your scanner will be
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damaged.
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.PP
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LIMITATIONS: For now this backend works only on Linux. This limitation
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is due to dependence on the
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.BR libieee1284 (3)
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library. If your system supports
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.BR libieee1284 (3)
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too, this backend should work. If you ported
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.BR libieee1284 (3)
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for your platform, please let me know. Your system should support
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.B EPP
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(or
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.BR EPP+ECP )
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mode to operate this scanner. Future versions will support ECP and SPP
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(Nibble and Byte) modes also. It's planned to support scanners not only
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at daisy-chain position 0, but anywhere. Support for multiple scanners could
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be implemented too.
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.PP
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Current version implements only gray scale scanning. True Color and B/W modes are
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not supported for now.
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.PP
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That said, TESTERS ARE WELCOME. Send your bug reports and comments to
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Max Vorobiev
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.RI < pcwizard@yandex.ru >.
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.PP
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.SH "DEVICE NAMES"
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This backend expects device names of the form:
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.PP
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.RS
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.I special
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.RE
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.PP
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Where
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.I special
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is the parallel port name in form,
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.BR libieee1284 (3)
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expects. It seems to be system dependent. Under Linux it's parport0, parport1, etc.
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.SH CONFIGURATION
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The contents of the
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.I hpsj5s.conf
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file is a list of parport names that correspond to HP ScanJet 5S
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scanners. Empty lines and lines starting with a hash mark (#) are
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ignored. Only one device name can be listed in
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.IR hpsj5s.conf
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for this moment. Future versions will support daisy chain selection.
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.SH TIPS
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.PP
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It seems that HP ScanJet 5S scanner uses software noise correction. This
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feature, along with gamma correction and calibration, are not implemented for now.
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They will be handled in future versions.
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Native resolution for this scanner is 300 DPI.
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Other modes may present aliasing artifacts.
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.PP
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.SH FILES
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.TP
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.I @CONFIGDIR@/hpsj5s.conf
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The backend configuration file (see also description of
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.B SANE_CONFIG_DIR
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below).
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.TP
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.I @LIBDIR@/libsane\-hpsj5s.a
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The static library implementing this backend.
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.TP
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.I @LIBDIR@/libsane\-hpsj5s.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_CONFIG_DIR
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This environment variable specifies the list of directories that may
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contain the configuration file. On *NIX systems, the directories are
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separated by a colon (`:'), under OS/2, they are separated by a
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semi-colon (`;'). If this variable is not set, the configuration file
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is searched in two default directories: first, the current working
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directory (".") and then in
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.IR @CONFIGDIR@ .
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If the value of the
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environment variable ends with the directory separator character, then
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the default directories are searched after the explicitly specified
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directories. For example, setting
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.B SANE_CONFIG_DIR
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to "/tmp/config:" would result in directories
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.IR tmp/config ,
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.IR . ,
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and
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.I "@CONFIGDIR@"
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being searched (in this order).
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.TP
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.B SANE_DEBUG_HPSJ5S
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If the library was compiled with debug support enabled, this environment
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variable controls the debug level for this backend. Higher debug levels
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increase the verbosity of the output.
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.SH "SEE ALSO"
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.BR sane (7),
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.BR libieee1284 (3)
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.br
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.I http://hpsj5s.sourceforge.net
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.br
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.I http://cyberelk.net/tim/libieee1284
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.br
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.SH AUTHOR
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Max Vorobiev
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.br
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Man page mostly based on
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.IR canon.man .
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