# Re: sane 1.0.2 - strangeness

From: Pierre Fortin (pfortin@SkyBest.com)
Date: Mon Mar 27 2000 - 10:53:02 PST

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  Oliver Rauch wrote:
  >
  > Pierre Fortin wrote:
  >
  > > Hi,
  > >
  > > The other day, I used my UMAX 2400S scanner to make some copies using
  > > the "xerox" script.
  > >
  > > Today, I wanted to copy some papers; but when I issued the command, I
  > > could only get:
  > >
  > > $ xerox
  > > scanimage: open of device umax:/dev/scanner failed: Invalid argument
  > > pnmtops: EOF / read error reading magic number
  > > lpr: stdin: empty input file
  > >
  > >
  > > Then, to have a quick look at the bus, I ran xcdroast, clicked on
  > > SCSI/IDE-Info, exited and the scanner now works again...
  > >
  > > Huh..?? Looks like xcdroast is able to return the bus to a known state
  > > while sane does not...
  >
  > If the sg driver is not loaded when you call scanimage the device sometimes is not found.
  > Try xerox again, may be that helps.

  I should have stated that the driver was likely still loaded as I simply
  used "uparrow" to recall the previous command which was still onscreen
  and in the history buffer... I tried this a couple of times with no
  luck. Then, I power-cycled the scanner and tried again, then thinking
  "Nuts!", I got the idea to load xcdroast to check the status of the SCSI
  bus/devices. When I retried the command, it now worked...

  I posted this to point out that there may be a recovery glitch in the
  code on certain errors or conditions.

  BTW, both LEDs on the scanner were off during the first try (before the
  power-cycling).

  HTH,
  Pierre

  > Bye
  > Oliver
  >
  > --
  > Homepage: http://www.wolfsburg.de/~rauch
  > sane-umax: http://www.wolfsburg.de/~rauch/sane/sane-umax.html
  > xsane: http://www.wolfsburg.de/~rauch/sane/sane-xsane.html
  > E-Mail: mailto:Oliver.Rauch@Wolfsburg.DE
  >
  > --
  > Source code, list archive, and docs: http://www.mostang.com/sane/
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