Digital BW, The Print

Tyler  -
   
  Is it a big, long involved explanation, or trade secret about how you are doing the 'underprinting' you referred to in an post earlier today?
   
  Tom Baker


[Non-text portions of this message have been removed]

Tom, I keep trying to reply and the list seems to be buggy tonight...
Anyway, the short verion is that StudioPrint allows the user to assign more than one ink tank 
to the various protions of the quad (or whatever number of partitions you use) scale.
So with any given ink setup, I assign an unused dark gray to K along with the actual K ink.
Tyler

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Tom Baker <tbaker1328@s...> 
wrote:
>
> Tyler  -
>    
>   Is it a big, long involved explanation, or trade secret about how you are doing the 
'underprinting' you referred to in an post earlier today?

>    
>   Tom Baker
> 
> 
> [Non-text portions of this message have been removed]
>

Not to be a pest, but does it align the two dots perfectly?  And, can you control which dot is laid down first? 
   
  Maybe I'm starting to see some of the 'good stuff' in SP.
   
  THX
   
  Tom Baker
  

Tyler Boley <tyler@...> wrote:
  Tom, I keep trying to reply and the list seems to be buggy tonight...
Anyway, the short verion is that StudioPrint allows the user to assign more than one ink tank 
to the various protions of the quad (or whatever number of partitions you use) scale.
So with any given ink setup, I assign an unused dark gray to K along with the actual K ink.
Tyler

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Tom Baker <tbaker1328@s...> 
wrote:
>
> Tyler  -
>    
>   Is it a big, long involved explanation, or trade secret about how you are doing the 
'underprinting' you referred to in an post earlier today?
>    
>   Tom Baker
> 
> 
> [Non-text portions of this message have been removed]
>







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[Non-text portions of this message have been removed]

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Tom Baker <tbaker1328@s...> 
wrote:
>
> Not to be a pest, but does it align the two dots perfectly?

Well that's complicated, and is an ongoing issue.  In the current version it's called 
"distributed". For now let's say for my purposes using a double K it doesn't matter as at 
those densities you can't even really see dots. Certainly doubling up lighter inks, which I 
do for blends, it's possible that issue could be determined.
I'd be more specific, but everything just changed with the new version and there is a lot of 
testing to do.
Until I get to the bottom of it all I'm using old version 10 for quads, it does not do 
"distributed" and works fine for x600 printers, but there was lot's of bleed with 
7000/9000 using double inks as they aparently put dots down differently. Distributed was 
supposed to fix this.

> and And, can you control which dot is laid down first? 

No, and I have no way of knowing which is going down first. So the term "underprint" is 
not really correct.
 
>   Maybe I'm starting to see some of the 'good stuff' in SP.

Things just got insanely more complicated. With each ink you can now control which of the 
3 dot sizes per ink you want to use, and what percentage at each size. That's per ink, so 
for quads, per partition. A simple quad setup- 4 inks, density and percentage controlable 
with each, and within each of those 3 possible dot sizes to select any combination of, 
including each dot's percentage.
Initial testing has yeilded a lot of failures and also a lot of promise. I've been able to get 
much smoother transitions, more levels of gray defined, etc.. but much more work still to 
do.
Yikes...
Tyler

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Tom Baker 
<tbaker1328@s...> wrote:
>
> Not to be a pest, but does it align the two dots perfectly?  And, 
can you control which dot is laid down first? 
>    
>   Maybe I'm starting to see some of the 'good stuff' in SP.
>    
>   THX
>    
>   Tom Baker
>   

If you are printing unidirectional, then careful placement of the ink 
color will allow you to let black be put down first, last or in the 
middle. If you are using bidirectional, then it just gets laid down 
when the head passes the correct spot. I haven't seen a RIP that will 
make a special pass for just one color with these Epson printers. If 
there is that type of function, it might work well for placing GLOP 
over the finished printing.