# Re: Experiences with Scan Dual II and SANE

From: m1garandusa@netscape.net
Date: Mon Mar 26 2001 - 08:16:08 PST

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  Has anyone had any further luck getting the Scan Dual II to work? Does anyone no if Ed Hamrick has any immediate plans to incorporate this scanner into his Linux version of VueScan?

  sane-devel@mostang.com wrote:
  >
  > I found a fellow Minolta Dimage Scan Dual II / Linux
  > user, one Jose Paulo Monitinho de Almeida
  > (moitinho@civil.ist.utl.pt) who had had some limited
  > success in getting his scanner to work with SANE, and
  > I've been trying to duplicate his efforts. I thought I
  > would post the results I've gotten so far, and try and
  > get some suggestions on moving forward.
  >
  > I'd seen posted that the Scan Dual II is actually made
  > by Avision, and used SCSI commands sent over the USB
  > bus. The post said it might be possible to use the
  > usb-scsi driver that is being developed and a modified
  > avision backend to drive my scanner. So, I downloaded
  > the 2.4.1 kernel source and the patches posted on the
  > HP 5300C development site
  > (http://www.neatech.nl/oss/HP5300C).
  > The patch for the config module config file didn't
  > work cleanly, so I manually edited that file. The make
  > file patched fine. The usb-scsi.c file didn't
  > contain the vendor ID and product ID for my scanner
  > (0x638 and 0x26a,
  > respectively), so I added them. I changed the
  > references to HP in the avision backend patch to
  > Minolta. I compiled and installed the kernel and
  > modules, booted with the new kernel, and compiled the
  > SANE stuff. After turning on the scanner and doing a
  > "modprobe usb-scsi", I had my scanner in
  > /proc/scsi/scsi. After doing an "export
  > SANE_SG_BUFFERSIZE=32768", find-scanner was able to
  > see my scanner. I made a link from /dev/sga to
  > /dev/scanner, and, after waiting for the green light
  > to stop blinking on the front of the scanner, ran
  > xscanimage. As this is a film scanner, not a flatbed
  > scanner, I reset the size from A4 dimensions to 1cm x
  > 1cm, hit scan, and nothing happened. I had set the
  > SANE_DEBUG_AVISION to 10, so I was able to see some
  > debugging messages. It had apparently sent the scan
  > command, but the scanner didn't do anything.
  > Xscanimage hung up at this point.
  >
  > I also tried scanning an image in Windows, and then
  > booting into Linux, while leaving the scanner on and
  > the film caddy in place. Jose said that that had
  > worked for him, but I didn't get any different
  > results. I've also been experimenting with VueScan. If
  > I just freshly boot into Linux in insert the usb-scsi
  > module, vuescan just hangs when I try to run it. If I
  > do the "scan an image in Windows" trick, vuescan
  > starts, but clicking on the Preview or Scan buttons
  > doesn't do anything. Trying to exit caused the program
  > to hang up, and tons of messages from the usb-scsi
  > driver to get sent to my syslog. This probably happend
  > when I killed xscanimage as well, I just didn't check.
  > Also, when I try to reboot after trying to scan, my
  > system can't disable my usb mouse, and I have to do a
  > hard reboot. Perhaps I should be doing this with a
  > regular mouse?
  >
  > Well, that's where things stand now. If anyone has any
  > suggestions for moving forward, I'd certainly
  > appreciate hearing them. I've already email Ed Hamrick
  > with my experiences in VueScan, to see if he has any
  > ideas there. It would seem that the avision backend
  > was written with flatbed scanners in mind, and
  > probably doesn't have the commands built in for
  > transporting the film caddy, focusing,
  > etc. We will probably need information from Avision or
  > Minolta for doing this stuff. Does anyone have any
  > contacts in these companies that may be able to
  > provide the data we need?
  >
  > Thanks,
  >
  > Clark
  >
  >
  >
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