Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Johnny Eades"
<jeades1@s...> wrote:
> ... Go to > www.zuberphotographics.com and download the Black
> Point/White Point > information for the printer. Do the procedure 
> to determine what Black > Point is needed to allow you to print 
> a full tonal ranged image, and then do the procedure for the 
> White Point to do the same thing. You may be surprised what this
>  simple procedure can do for your printing results. I found that 
> I had been using the Zero point to indicate my black point and 
> after doing the BP/WP I now use BP=19 and WP=252. Do this test 
> on all the types of paper you use.
>  

I checked out the zuberphotographics pages you reference. 
Interesting.

I have a longstanding point of confusion over whether I should 
be setting the output sliders for black and white point (I always
leave them at 0/255). This has only gotten worse with the advent of 
QTR and IJC. Both those systems allow you to calibrate the point 
at which each ink maxes out on the paper, and also to linearize a
profile. Doesn't that mean that one would always leave the 
output sliders at 0/255? Ie, doesn't the IJC/QTR curve already 
perform this function?

-david