# HP5300C - USB-problems?

From: j.steindlberger@gmx.de
Date: Thu Feb 15 2001 - 07:30:10 PST

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  Hi,

  I have a HP5300C-Scanner, which should run (more or less) with the
  avision-backend-patch and the "usb-scsi"-patch for the kernel. After a view days
  hacking all the night and surfing the sane-webpages from my office-pc I decided to
  write to this mailinglist.

  My environment:
  Hardware: VIA-USB-chips
  kernel 2.4.1 for 686
  manually patched with the usb-scsi patch (patched Makefile,Config.in; added
  usb-scsi.h usb-scsi.c)
  sane 1.0.4
  manually patched with the avision patch for hp5300c
  copied the new libs (libsane-avision*) from /usr/local/lib/sane to
  /usr/lib/sane to use the directories the deb-package installed in.
  SCSI: all other modules disabled
  USB: removed module scanner
  /etc/sane.d/dll: only the avision backend activated
  /etc/sane.d/avision: scsi HP

  Now I get an entry in /proc/scsi/scsi which is definitifly my scanner, but
  xscanimage can not find any scanner and the hardware isn't responding at all.

  Onto my console and into my message-log I get the message:

  # tail -f /var/log/messages
  (...)
  Feb 13 19:39:37 ente kernel: usb_control/bulk_msg: timeout
  Feb 13 19:39:37 ente kernel: usb-scsi.c: write_scanner: NAK recieved.

  Perhaps my scanner is defect and I should bring it back. But it will be gone
  for a view weeks - and that's not so fine.

  I tested it also with win98. The results were 5 scanned pages - 30 tries to
  do that and 20 reboots, because of USB-locks. (I hate that virus)

  My 4 USB-ports work very fine under Linux (debian), but I get 3 stupid
  timeout-messages with cat /proc/bus/usb/devices (2 at list beginning and 1 at the
  end) - only with the scanner plugged (yes, it's powered on).

  Can anybody help me?
  Thanks
  Jörg

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