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[#314966] HP Scanjet G4050 - 1200 & 2400 DPI scans are too dark

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Date:
2015-02-08 22:13
Priority:
3
State:
Open
Submitted by:
Thomas Käfer (kaefert-guest)
Assigned to:
Nobody (None)
Category:
backends (drivers)
Group:
None
Resolution:
None
Summary:
HP Scanjet G4050 - 1200 & 2400 DPI scans are too dark

Detailed description
I have a HP Scanjet G4050.
It works quite fine with my sane for all resolutions up to and including 600 DPI.

When trying to scan with 1200 or 2400 images the resulting picture is extremely dark - resulting in the darker parts of the scanned picture to be completely black.

Followups: Sort comments antichronologically

Message
Date: 2015-02-09 16:10
Sender: Thomas Käfer

I've uploaded a few examples with various resolutions and also with scans by the original software & driver under windows 7 here:
https://koega.no-ip.org/misc/hp_scanjet_g4050/
Date: 2015-07-31 06:50
Sender: Thomas Käfer

hey there Stéphane!

Somehow if I look at the samples I've scanned in February, I can't help but think that their all much too dark in comparison to the original windows scan.
I don't know why when I wrote this bug entry here I wrote that only the 1200 & 2400 where too dark.

Regards, Thomas K.
Date: 2017-04-04 12:29
Sender: Olaf Meeuwissen

The person assigned to this tracker item is no longer a member of the project.

Attached Files:

Changes:

Field Old Value Date By
assigned_tostefdev-guest2017-04-04 12:29olaf-guest
assigned_tonone2015-07-31 06:25stefdev-guest
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