Digital BW, The Print

On Sep 29, 2004, at 9:09 PM, Roy Harrington wrote:

> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Michael Gordon"
> <michael_gordon@v...> wrote:
>> Epson 7600, QTR and Gui, UC inks (MK), Hahnemuhle Photorag, Win XP
>> Pro, calibrated system.
>>
>> The 8x10 proof prints I get on Photorag 308 match my monitor and look
>> great and as desired. I can then make the same prints on a 24" roll
>> of Photorag 188 (same printer, same everything) and get noticeably
>> different results; namely, weaker contrast and weaker 3/4 tones. The
>> 188gsm prints look roughly 1/2 stop or more brighter in the shadows
>> compared to 308gsm prints. As I said, everything is the same in
>> making both prints. I've never understood otherwise, so I'm assuming
>> I should be getting the same print results regardless of paper
>> thickness, or am I mistaken? Is it possible that I have bad coating
>> on my paper? I've recently started a fresh roll.
>>
>> Any help or ideas are appreciated.
>>
>> Michael
>> www.mgordonphotography.com
>
> The papers ought to be the same but it sure sounds like they are
> different somehow.  With a roll its pretty hard to put it in backwards 
> but
> I wonder if it isn't coated correctly.   Just to be sure I'd try to 
> print
> identically on both to make sure there isn't anything else different.
> I'd do the wet lips or lick test to see if its coated correctly.
>
> Roy

A paper coating defect / problem sounds like a good bet Roy.
I just replaced some Arches Infinity for the same type of reasons. When 
I told them the batch number, they recognized it as a bad lot right 
away.
Michael, you might try the same?
Cheers, John