Digital BW, The Print

Tyler Boley wrote:

> Ernst and Antonis-
> I think dot size is an issue. I just did a quick experiment on some
> uncoated Somerset scaps. In StudioPrint a user option is dot size.
> I've always used the smallest out of habit. I selected one of the
> variable options instead and did a quick test. I believe the variable
> options open up to the larger dot sizes at the highest densities. By
> making that change I got an increase in dmax in all channels with no
> apparent increase in dotiness in lower densities.
> I need to test it further, but this may explain the differences
> between printer models and other mysterys.
> Also may be worthwhile with various drivers or RIPs, how they address
> the hardware with regard to this.
> Tyler

I used the same setting of the Wasatch SoftRip for the different 
ink/head arrangements.
It is correct that there are different droplet size choices in 
the 720 dpi but not in the 1440 dpi setting that I use for B&W.
But I'm also sure that heads are not that uniform as most think. 
Linearisation doesn't change the maximum inkload either as it 
just brings the rest in line between no ink and all.

Ink limitation per head can only be done with correction curves 
in this RIP. That are also the curves that I use for the B&W 
distribution. The calibration curves are separate. And there's an 
overall limitation and the switch points of LC>C and LM>M can be 
set between 50 and 0 %.

Ernst