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Digital BW, The Print

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Re: [Digital BW] HP PK with glop & gloss differential

2009-03-01 by pr_roark

"Greg" <dfaprinting@...> wrote:

> I am just concerned that the full interaction between the HP inks 
and
> third party materials is not fully explored to determine if it is 
all
> safe enough to recommend that other people adopt it. Maybe I worry
> needlessly, but I would certainly approach this with caution and a
> printer that I considered expendable.

HP 3100 pigment mixing is clearly experimental.  So, I agree with 
Greg, caution is advised.  Don't put your new, expensive printer at 
risk.

Later this week I'll turn on my Epson R220 with an HP-C6 base mix to 
see if that printer has turned to stone in the test month of 
idleness.  I've had HP PK, undiluted, in a 1400 with Eboni and Eboni-
6-Y (2%) for about a month also, with one week being the longest idle 
time.  So far, there is no evidence of problems, but the HP-MIS Glop 
mixing does introduce more variables.  However, trying these things 
is probably the only way we'll find out, and if it works and solves 
some problems, we have that many more options available to us.

Paul
www.PaulRoark.com

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