Julian> I'm trying to get SANE 0.69 to run on NetBSD 1.3/Sparc with
Julian> a HP Scanjet 4p. Scanimage fails with 'scanimage:
Julian> sane_start: Error during device I/O
Julian> Having added a few debugging printf's, I see it talk to the
Julian> scanner and get back some parameters. However, it fails to
Julian> get max_dpi and min|max brightnes|contrast. After that, it
Julian> shows the device type, sets the coordinates, brightness,
Julian> contrast and mode (don't know if these succeed) and fails
Julian> when it tries to read back the pixels per line
Julian> (\033*s1024E). When it fails, the received string is the
Julian> same as the transmitted string, e.g. transmit
Julian> '\033*s10323H', receive '\033*s10323H'.
Could well be a bug in the NetBSD version of the SANE scsi routines
(in sanei/sanei_scsi.c). I don't think they have been tested all that
well (or is anyone else using SANE under NetBSD at present?).
Julian> PS. Where can I get documentation on the scanner SCSI
Julian> command set? I tried searching HP's web pages, but didn't
Julian> find anything.
The information is not "public" but you can send mail to
hp_scan@greeley.sykes.com and ask how to get the necessary docs.
--david
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