Subject:
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Re: Original vs. Copy: Printed Lego Items
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Newsgroups:
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lugnet.general
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Date:
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Mon, 16 May 2005 17:25:30 GMT
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Viewed:
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1396 times
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Frank Filz wrote:
> Ross Crawford wrote:
> > Oooops, just realised the catalog is probably colour, and all colour
> > copiers are digital (AFAIK). So yes, you can probably tell with
> > enough magnification.
>
> I'm pretty sure there are non-digital color copiers. I have a color
> photocopy hanging in my office that was made at least 20 years ago,
> and with the tools available here in the office, I can't see any
> pixelation. I guess it could be digitial, but if so, it's a pretty
> high resolution.
>
> Note that there's no reason a color copy has to be digital. The
> copier can still make three (or 4) scans for each color through a
> filter imaging each scan onto the drum and printing that color ink in
> the same way a B&W copier works for it's single pass with black ink.
>
> What's impressive is how good the copy still looks today. I'm pretty
> sure it's a thermal wax print (it feels waxy) which should have good
> color retention. It's hung unprotected enough that the white border
> at the edge of the paper has yellowed quite a bit, but the reds and
> yellow are still quite vivid.
Oh, and that suggests a way to identify a copy. If it's waxy, it's almost
certainly a copy.
Frank
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Message is in Reply To:
 | | Re: Original vs. Copy: Printed Lego Items
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| (...) I'm pretty sure there are non-digital color copiers. I have a color photocopy hanging in my office that was made at least 20 years ago, and with the tools available here in the office, I can't see any pixelation. I guess it could be digitial, (...) (20 years ago, 16-May-05, to lugnet.general)
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