Digital BW, The Print

It may be that on some of the older dye printers the Gimp print engine has
some disadvantages compared to the Epson driver.

For example, I've done limited testing with IJC and QTR on a 1280 and found
the dmax of both systems low compared to the Epson driver.  Test strips I've
seen from the newer, pigment printers look very good, however.  The 1280
printing speed was also very slow on the 1280 with IJC and QTR compared to
the Epson driver.  On my 7500, however, the speed and dmax are fine.  

So, the dmax and speed problems seem to be printer-specific.

Paul
www.PaulRoark.com 



-----Original Message-----
From: Nick H. Nugent [mailto:nghin@...] 
Sent: Sunday, January 30, 2005 10:04 PM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] IJC/OPM and dmax issue



Hi all,

I did what Antonis suggested to identify the black ink limit for the 
1160/UT-FS on Photo Rag: print a black-only target using a straight 
diagonal ink shape and use a spectro to read the patches.

Unfortunately the darkest patch still has the highest density and it 
is still way below the density produced by the Epson driver. What 
this means is OPM has yet to print to the 1160 past the point where 
it overloads the paper.

I'm afraid this is something for Joe Berndt to look at.  I'm sure 
Joe will find a solution to this problem in a little while.

Thanks Antonis, Lou and Alan for your inputs. Without your 
suggestions I'd still be trying to get this elusive dmax instead of 
looking to Bowhaus for the ultimate solution.

--nick






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