Public bug reported:
Device: Canon CanoScan LIDE 35
Options (--brightness and --contrast) are not respected.
Reproduce the bug:
Scan the same document with
scanimage --brightness=0 > 0.pnm
and
scanimage --brightness=100 > 100.pnm
The result will be the same.
Changing the output format doesn't change anything. Graphical programs
(simple-scan 3.36.0, skanlite 2.1.0.1) have the same problem. But with
xsane-0.999 it works.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: sane-utils 1.0.29-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24
Uname: Linux 5.4.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu21
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Mar 21 22:39:23 2020
InstallationDate: Installed on 2020-01-05 (75 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191230)
SourcePackage: sane-backends
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: sane-backends (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1868408
Title:
scanimage doesn't respect options (brightness, contrast, ...) with
Canon CanoScan LIDE 35
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