Digital BW, The Print

If in fact the Epson RIP is printing with only Light Black and Black ink the
print will look like the Sepia Piezotones, not at all like the Selenium
Piezotones as stated in one of the previous posts. The print will also be
much warmer than the warmest print possible using the tint picker in
Imageprint.  Imageprint get's its smoother dither by adding photo magenta
and photo cyan to the light black in the hilights...it avoids metamerism by
not using yellow.  As a result a Warm (100,100) print in the tint picker is
much cooler than pure light black and black.  I know because I'm running the
2200 with single channel control with an experimental driver and can fire
channels independently...so I know exactly what a print made with only light
black looks like.  If the Epson RIP is getting a dither as good or better
than Imageprint's with only light black and black then they are definitely
using a new dither not previously available...because running the standard
Epson dither with just light black results in very course hilights.

Robert


On 2/24/03 8:16 PM, "Thomas Fors" <tom@...> wrote:

> 
> ----- Original Message -----
> From: <dan_honemann@...>
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Sent: Monday, February 24, 2003 9:36 PM
> Subject: [Digital BW] Epson RIP vs ImagePrint 5
> 
> 
>> From the latest reports, it would seem the Epson RIP may cure the
>> metamerism problem of the standard driver and produce neutral grays,
>> but without IP's ability to tone (though this can be done in PS--if,
>> that is, the Epson RIP can be made to work without converting to
>> grayscale).  I don't know if the Epson RIP affords any advantage when
>> printing in color, as IP is purported to do.
> 
> After following Sandy Cornelius' workflow, I now believe that the Epson RIP
> may also eliminate metamerism with the proper settings (It looks to me like
> it prints using Black and Light Black inks only for grayscale images)
> although the prints did not look neutral at all to me.  Rather, they were
> very warm.
> 
> I suspect trying to tone the image in Photoshop before printing it would
> require printing in color mode which would most likely reintroduce the
> metamerism.  I just tried to print a slightly cool toned image using Sandy's
> Epson RIP settings and it went horribly wrong.  It gave me a very obnoxious
> green-blue print in which the shadows are blocked up from 80%-100% in the
> step wedge.
> 
>> Both RIPs sound somewhat problematic to install and use.  At less
>> than half the price of IP5, the Epson RIP addresses half of Jerry's
>> complaint, even if it's just as (or more) difficult to get up and
>> running properly.  But I'd like to know if the Epson RIP can produce
>> image quality on par with that described above using IP.
>> 
> 
> I've tried both and in my opinion, the Epson RIP is actually more difficult
> to use and control than ImagePrint!
> 
> 
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