[gscan2pdf] scanner light stays on after closing the application

[Kerina Yin]

Binary package hint: gscan2pdf

Ubuntu 10.10 - the Maverick Meerkat
gscan2pdf 0.9.31-2
Using a Canon CanoScan LiDE 25

The scanner light stays on even after closing gscan2pdf, rather than switching off. To overcome this using the same application, there are 2 ways:

#1.
In the "Scan Document" window, under the "Device-Settings" tab, either tick or untick the "Lampswitch" box to turn the light off.
This is if the "Lamp-off" value is set too high (in hundreds that is, say 300).

#2.
In the "Scan Document" window, under the "Device-Settings" tab,
- make sure there's a tick in the "Lampswitch" box
- change the "Lamp-off" value to 10 or lower (say, 1) instead of using the default value.
At "1" (or "10"), the light will turn off as the scanner head makes it way to its home position after scanning an A4-sized item. Setting the value to zero "0" makes the light stay on (as did the default value).
- ticking of leaving the "Lampswitch" box makes no difference.

Or using another application, one can simply run Simple Scan, just for the purpose of switching the scanner lamp off.

Neither ticking nor leaving empty the "Lamp off at exit" box under the "Device-Settings" tab in the "Scan Document" window makes any difference in turning the scanner light off upon exiting the program.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: gscan2pdf 0.9.31-2
ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic i686
Architecture: i386
Date: Thu Dec 2 15:34:03 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: gscan2pdf

[Jeffrey Ratcliffe (jeffreyratcliffe)]

All these options are simply passed straight on from the backend. I
don't know what SimpleScan does differently.

On 2 December 2010 09:22, Kerina Yin <email address hidden> wrote:
> Neither ticking nor leaving empty the "Lamp off at exit" box under the
> "Device-Settings" tab in the "Scan Document" window makes any difference
> in turning the scanner light off upon exiting the program.

Please start gscan2pdf from the command line:

$ gscan2pdf --debug

Reproduce the problem(s), and post the output from the command line.

[Kerina Yin (kerina-yin)]

The output is attached here in two parts.

Here it is as a clip:
http://www.youtube.com/watch?v=iR0sLEzh51U

[Jeffrey Ratcliffe (jeffreyratcliffe)]

Is this still a problem

[Kerina Yin (kerina-yin)]

Sorry, I don't know because:
i. I no longer use the software, and
ii. I have gotten myself a new scanner.