Re: [sane-devel] Degrading images: Plustek OpticPro UT16

2016-09-23 Thread Olaf Meeuwissen
Hi rhn, rhn writes: > On Fri, 23 Sep 2016 10:40:35 +0200 (CEST) > Johannes Meixner wrote: > >> Hello, >> >> On Sep 22 18:33 rhn wrote (excerpt): >> > the scanner I am using has a peculiar problem, where scanning >> > consecutive images causes the image quality to degrade: >> >

Re: [sane-devel] Degrading images: Plustek OpticPro UT16

2016-09-23 Thread rhn
On Fri, 23 Sep 2016 10:40:35 +0200 (CEST) Johannes Meixner wrote: > Hello, > > On Sep 22 18:33 rhn wrote (excerpt): > > the scanner I am using has a peculiar problem, where scanning > > consecutive images causes the image quality to degrade: > > the left part becomes yellow in

Re: [sane-devel] Degrading images: Plustek OpticPro UT16

2016-09-23 Thread Johannes Meixner
Hello, On Sep 22 18:33 rhn wrote (excerpt): the scanner I am using has a peculiar problem, where scanning consecutive images causes the image quality to degrade: the left part becomes yellow in vertical streaks that increase in numbers; the right part becomes red. To get a completely

[sane-devel] Degrading images: Plustek OpticPro UT16

2016-09-22 Thread rhn
Hello, the scanner I am using has a peculiar problem, where scanning consecutive images causes the image quality to degrade: the left part becomes yellow in vertical streaks that increase in numbers; the right part becomes red. To get a completely yellow-red image, about 10 scans are