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[filmscanners] Re: Dark Lines on Negative Scans with HP

  • To: lexa@lexa.ru
  • Subject: [filmscanners] Re: Dark Lines on Negative Scans with HP
  • From: "" <gtc@netrover.com>
  • Date: Wed, 31 Jul 2002 16:42:35
  • Old-x-envelope-to: filmscanners@halftone.co.uk
  • Priority: normal
  • Unsubscribe: mailto:listserver@halftone.co.uk

Hi Art,

> Take a close look at the scan in something like Photoshop and zoom right
> in to the pixel level.  Is the line you refer to distinctly affecting
> one pixel width?  Also, try to view the scan with channel separation so
> each channel is visible as a separate image, and see if the defect is
> only showing up in one scan.  To do this is photoshop, you need to go
> into the channel mode (rather than layers), and select one channel at a
> time.  You may need to lighten each separation to see well.

Never thought of separating the channels.  Turns out there is a very
sharp, distinct line in the green channel.

> If the unit is under warranty, I recommend you have it sent it for repair.

Still got three weeks left on the warranty so I'll get get going on
it right away.

Thanks for the help.


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