plustek: Plustek 9636T scans color/grey incorrectly
Subject:
Re: Plustek 9636T scans color/grey incorrectly
From:
Mark Bratcher ####@####.####
Date:
22 Jan 2001 22:56:31 -0000
Message-Id: <3A6CBB76.92A78833@rochester.rr.com>
kevin wrote:
>
> 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
>
> I have been having some similar problems to what you describe;
> these are recent problems with my 9636T (Mandrake 7.2, 2.2.17
> kernel, plustek driver 0.37). The problem seems to occur if I do a
> prescan first. If I do a regular scan, then a prescan, then adjust
> the parameters if necesssary and do another regular scan, it
> usually works. Could you perhaps try doing the regular scan first
> (any settings), then the prescan, then the scan you want, and see
> if that is any different.
Kevin,
Thanks for the suggestion. I tried it and, unfortunately, no joy. :-(
Mark
--
Mark Bratcher
####@####.####
---------------------------------------------------------
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