Message
Re: [colorvision_group] How much is a scratch?
2006-12-08 by CDTobie@aol.com
In a message dated 12/8/06 11:37:04 AM, nlun@... writes:
Well.. How much _is_ a scratch then? :=)
Anything that the customer can see.
Celebrating the new 2.0 version I thought Id take a couple of 225 and
238 patch prints and reread them. After dusting them off with a soft
brush (yeah I know: paranoid), I found several marks/scruffs on the
patches. The marks can be devided in two types: the more superficial
that dont "go through" the ink, but of course none the less breaks
light: otherwise you wouldnt see them. And then there is the small
penetrating ones, clearly showing paper. The latter I only found one
or two of, and it beats me how they came (paper is Epson Prem
Semigloss). The first ones, superficials, are more plentyfull, and
came from the Spectrometer when reading first time over, I suppose.
So finally, the question!
Will the superficial scratches have any bearings on my result,
rereading them?
No matter the answer Im printing new ones at this moment :=)
I tend to 'read around' questionable areas, rather then reprint, when I can manage it. I suspect that the degree of damage you describe won't effect measurements, which average an area, but you can play the game and find out. Read a patch (from a target you no longer need). Scuff it, reread, see what the difference is. Now slice it, reread, compare again. I bet you'd have to get downright abusive before it would have a significant effect...
C. David Tobie
Product Technology Manager
ColorVision Business Unit
Datacolor Inc.
CDTobie@...
www.colorvision.com