Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
- Subject: Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
- From: email@hidden
- Date: Fri, 15 Dec 2006 16:15:07 EST
In a message dated 15/12/2006 07:14:03 GMT Standard Time,
email@hidden writes:
In
regards to tolerances, there's a few things to consider. One is
>
proofer *calibration* tolerance and the other is dE tolerance to a
>
specification such as Fogra27 and ISO 12647-2. Calibration tolerance
>
should be MUCH tighter than the pass/fail tolerance to a
>
specification. I would think calibration tolerance should be <1dE
>
average and perhaps 3 dE peak while tolerance to a specification
>
should be more like 3 dE average and 5 dE peak.
That's good advice
Terry - so I'm back to the calibration of the proofer to
see if I can
tighten that up a bit.
There are also tolerances for paper dE and primaries
dE - what are your
recommendations for
these?
-------------------------------
Joseph
I would recommend that u do atest and check proofs within say and
hour of producing them and then again every day for two weeks - the problem is
that "us" printers see them two weeks later and they do seem to change
Peter
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