Digital BW, The Print

Greg,

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" 
<paul.roark@...> wrote:
>
>> I've posted 2 graphs that compare the Lab A changes for
>> the old blended "FSN+" and new non-blended "4K+" inksets 
>>that I've been using in my 7500. They are in a brief 
>>description pdf for the new ink arrangement at
>> http://home1.gte.net/res09aij/4K+.pdf  The period over 
>>which I let the printer sit idle for these comparisons was 
>>only 6 days. That's all it takes to make a visible change.

[I later added the 14 day test for the 4K+.]

> ...it looks like you have a .2 maximum 
>shift in the 14 day reading. I would say that 
>temperature, and humidity could easily account for that.

Yes, it's close to the expected random fluctuations.  While nothing is
perfect, this is close enough that my large format tone shift issue is
history.  And I love the full Lab A & B controls.  I also think this inkset
is easier to profile. 

Paul
www.PaulRoark.com