plustek: Plustek 9636T scans color/grey incorrectly
Subject:
Re: Plustek 9636T scans color/grey incorrectly
From:
Mark Bratcher ####@####.####
Date:
22 Jan 2001 22:53:27 -0000
Message-Id: <3A6CBAA2.BB160C36@rochester.rr.com>
"Jaeger, Gerhard" wrote:
>
> Mark, is the module lp.o loaded?
No
>
> On Mon, 22 Jan 2001, Mark Bratcher wrote:
> > Gerhard,
> >
> > Thanks for the prompt reply.
> >
> > > - is there a printer attached to the scanner?
> >
> > No
> >
> > > - are you using version 0.37 of the driver?
> >
> > Yes
> >
> > > - can you send us the output of cat /proc/pt_drv/device0/info?
> >
> > Model : 9636T/12000T
> > Portaddress : 0x378
> > Portmode : EPP
> > Buttons : 0
> > Warmuptime : 30s
> > Lamp timeout: 180s
> > mov-switch : 0
> > I/O-delay : 0
> > CCD-Type : 3797
> >
> > > - is your parallelport switched to plain EPP mode in BIOS?
> >
> > Yes
> >
> > Also, just fyi, my parallel cable is 4 feet long (not very long).
> >
> > > This problem is quite strange, because the ASI98001 based models
> > > in general won't loose data.
> >
> > I thought that was the case. I'm having trouble understanding the
> > problem. Even on the Preview the image is corrupted. If I just do
> > consecutive previews, the corruption is different each time. Sometimes I
> > get vertical cyan and magenta stripes in white areas. Sometimes white
> > areas are OK, but vertical black lines, for example, have a cyan shadow
> > or ghost.
> >
> > Mark
> >
> > >
> > > On Son, 21 Jan 2001, Mark Bratcher wrote:
> > > > Hi.
> > > >
> > > > I have Linux kernel 2.4.0 and the latest official Sane and Plustek
> > > > driver (pt_drv) downloads as of 1/20/2001.
> > > >
> > > > I installed everything OK as far as I can tell, and I can scan images.
> > > > However, only pure black and white images come out OK. Color and
> > > > greyscale are blurred, or more specifically, the different color/grey
> > > > "planes" are offset from one another. The offset is not consisten from
> > > > scan line to scan line, so it's as if it were a data loss problem (?).
> > > >
> > > > Anyway, I'm running a Pentium II / 233MHz and 128MB RAM. I have nothing
> > > > else running while scanning.
> > > >
> > > > Just as a note: I had the same problem under the 2.2.17 kernel. And the
> > > > scanner runs fine under Windows 95.
> > > >
> > > > Thanks for any helpful input.
> > > >
> > > > --
> > > > Mark Bratcher
> > > > ####@####.####
> > > > ---------------------------------------------------------
> > > > Escape from Microsoft's proprietary tentacles: use Linux!
> > >
> > >
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> --
> +---------------------------------
> | Sysgo Real-Time Solutions GmbH
> | Gerhard Jaeger
> | Schulze-Delitzsch-Weg 28
> | D-89079 Ulm
> | mail: ####@####.####
> | fon: +49 731 94683-0
> | fax: +49 731 94683-10
> +---------------------------------
>
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--
Mark Bratcher
####@####.####
---------------------------------------------------------
Escape from Microsoft's proprietary tentacles: use Linux!
