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

I'm glad you caught this will still under warranty.  It is probably a
bad CCD element in the green CCD line.

Usually, this is a failure that is not user repairable, so the scanner
needs repair or replacement by the manufacturer.


gtc@netrover.com wrote:

> 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.
> Gary

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