# Re: No scanners identified

From: Daniel Karlsson (danka@home.se)
Date: Fri Mar 02 2001 - 14:08:22 PST

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  Eddy De Greef wrote:
  >
  > Daniel Karlsson wrote:
  > >
  > > I have a Mustek 600 III EP Plus scanner connected to the parallel port.
  > > When I try to run "scanimage -L" I get a message stating that no
  > > scanners were identified and that I should try "find-scanner" tool and
  > > read some documentation. The problem is that I have a parallel port
  > > scanner, but that program and documentation only covers scsi-scanners.
  > >
  >
  > There are three likely causes for your problem:
  >
  > 1) You don't have access to the parallel port.
  >
  > You can easily verify if you log in as root and then try to scan.
  > If that works, you should either run the saned daemon (see
  > documentation), or make scanimage setuid root (not recommended).

  It appears to me that the problem is connected to wrong access rights.
  However, it's not the parallel port, since I can both read and write to
  it, for instance with "echo Hello > /dev/lp0".
  The string will then appear on the printer also connected to the port.

  Running scanimage as root will cause an error in loading libraries
  (undefined symbol: outb), which indicates that the program progresses
  beyond the point described in my problem.

  The immediate question is: What other resources than the parallel port
  are accessed?
  The somewhat more remote problem is how to get rid of the undefined
  symbol.

  Regards,
  Daniel

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