QTR-Quadtone RIP

On Saturday, January 28, 2006, at 08:38  AM, Raphael Bustin wrote:

> At 04:26 AM 1/28/2006 +0000, Roy wrote:
>
>> The R800 and R1800 printers are somewhat different than all
>> the other printers and inks.  These printers have only one black ink 
>> --
>> i.e. no light-black but compensate by having the smallest dots 1.5pl.
>> So while most printers do well at 1440 dpi with the R1800 you
>> probably need to use 2880dpi.   You'll have to decide for yourself
>> if it's up to your standards.  Cone makes a Neutral K7 inkset for this
>> printer but then you lose color printing.
>
>
> Thanks for the response, Roy.
>
> Assuming I stick with the Ultrachromes,
> do you see any advantage to QTR over
> the Epson driver for printing BW images?

Well QTR still gets rid of most of the color inks so you'll have less
trouble with metamerism.   Plus you get to tone the image
how you like.  In fact a little toning has the extra benefit of more ink
on the paper reducing banding issues.

Roy

>
> I think we agree that an Epson printing
> with just one ink channel is far from
> optimal.
>
> If I were to dedicate an Epson to a monochrome
> inkset, it would be a no-brainer to use QTR.
>
>
>
> rafe b
> www.terrapinphoto.com
>
-
Roy Harrington
roy@...
Black & White Photo Gallery
http://www.harrington.com