Digital BW, The Print

I agree with you. I've been pulling my hair out with this. I just couldn't
get a handle on it at all. I'm not talking about little differences either.
I think when things happen over time you just adjust slightly each time. I
also know piezo very well so I was a little disconcerted that I couldn't get
a consistant action together to process old files. I've been through 3 1160s
and 3 cis units, but even prints made on the same system were showing
discrepencies. Nothing to do with Piezo IMO, just a whole host of different
factors - it caught me unawares though.

Julian
----- Original Message -----
From: "Todd Flashner" <tflash@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Monday, December 03, 2001 5:11 PM
Subject: Re: [Digital BW] FS density mk2


> What we don't know is if the MIS inks will show density variations over
time
> too. I guess none of us, regardless of inkset, run calibration strips each
> morning to check consistency. What we don't know is if all inks
> settle/evaporate/change over time, how good batch to batch consistency is,
> or the random effects the printers themselves (as evidenced in sporadic
> microbanding etc,) seem to impose over time, not to mention paper batch
> differences, environmental conditions, and that the "control prints" shift
> over time.
>
> IOW, it might just be that Piezo inks have been in use longer, giving us
> time to study them longer, but much of what is being attributable to brand
> differences may be far more broad based than that.
>
> All I know is I use MIS VM now, but I feel in no way free from fear. I
think
> all this stuff is tricky!
>
> Todd
>
> > Now here is a funny thing. Mike and Paul both told me that FS printed
> > lighter than Piezo. Reworking some protfolio prints I found the opposite
to
> > be true, with FS needing a 'lift' adjustment. But going back to some
REALLY
> > old prints, all I need to do to replicate the piezo prints is to pull
down
> > the gamma a touch in curves and lift the toe of the blacks. It looks
like I
> > did have some variation (big) in density with piezo. Printing for the
last
> > exhibition I had to do some curves adjustments to get the prints to
match
> > the older portfolio prints but I put it down to an aging effect. Not so
I
> > think. This Piezo is tricky stuff!
> >
> > Julian
>
>
>
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