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Digital BW, The Print

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UltraChrome-based variable-tone inkset

2004-07-20 by Paul Roark

This is my 6-14 formula for the UC-VT (for the 2200) I recently tested.  It
is very similar in its behavior to UT7, but the formulas are different.
With sliders set to 0, the 50% patch of an EEM print had C,M,Y = .60, .61,
.60.

 

The base:  4 parts distilled water and 3 parts glycerol.  (I used Kic
technical grade.)

 

(In the past, I've had trouble finding a base that worked well with the UC
inks.  The simple base I used for this inkset does the job and anyone can
make it.)

 

Blue used in mixing:  50% UC M, 50% UC C.

 

K position:  I prefer Eboni.  Epson UC matte black would also work.

 

LK position:  UC LK, no changes.

 

C position:  70% UC PK, 30% UC LK.

 

LC position:  52% UC LK, 48% base.

 

M position:  30% blue, 40% LK, 30% PK.

 

LM position:  30% LK, 10% blue, 60% base.

 

Y position:  88% LC, 7% Y, 5% M.

 

This is not necessarily a final formula, but it's close and works.  I had no
clogging or other problems with these experimental inksets.  (Nor do I have
clogging problems with MIS inksets.)

 

Paul

www.PaulRoark.com <http://www.paulroark.com/>  



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