Thanks for testing again, @Ananth. Then we'll have to notice that the
fix does not help in all cases, unfortunately.

Assuming that the change doesn't make it worse for you somehow, and if
@CoderGuy or someone else verifies it for 18.04, it will still be
considered verified. Better improve it for some users than not at all.

I have no idea what needs to be done to make the bar disappear from your
scans too. I simply applied an upstream commit which other users pointed
at. Version 1.0.28 has been released upstream, and it's being worked on
to package it for Debian/Ubuntu. Possibly it will include something that
fixes it also for you. OTOH I don't think it will be easy to install
1.0.28 on bionic, but to test the new upstream an upgrade of Ubuntu will
probably be preferable.

You received this bug notification because you are a member of Desktop
Packages, which is subscribed to sane-backends in Ubuntu.

  genesys_gl847 scanners produce a black band in scanned images on
  Ubuntu 17.10+,  18.04 LTS and 18.10 Cosmic cuttlefish

Status in sane-backends:
Status in sane-backends package in Ubuntu:
  Fix Released
Status in sane-backends source package in Bionic:
  Fix Committed
Status in sane-backends source package in Disco:
  Fix Committed
Status in sane-backends package in Debian:

Bug description:

  When using a Genesys GL847 scanner, the documents get disfigured by a
  discolored bar. The proposed uploads should fix the issue. They are
  available in this PPA:

  [Test case]

  1. Install the libsane (libsane1 in bionic), libsane-common
     and sane-utils packages from {bionic,disco]-proposed.

  2. Use an affected device to scan, and find that the issue is
     no longer present.

  [Regression risk]

  Upstream commit, focused bug fix => low regression risk

  [Original description]

  On Windows it works but on my Ubuntu 17.10, 18.04 and 18.10 I see a
  black band on scanned image. The scanner is Canon CanoScan LIDE100.
  Libsane version is 1.0.27-1~experimental2ubuntu1

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