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Fw: [Digital BW] Warm FS. A question for Paul

2002-02-23 by Adrian Joyner

Paul

The inks from MIS arrived yesterday and I've filled the carts for the 3000. Never done that before but it went surprisingly easily. One minor clog that I left overnight and all was well this morning.

The inks print extremely well. In fact I have real trouble in distinguishing them from Piezo. They are perhaps a touch warmer but I was hoping for something much  warmer, more akin to the VM warm. I am pretty sure that I've got the ink mix correct as per your instructions so can you offer advice as to how I can change the colour to something more sepia(ish)

regards
Adrian Joyner
Clevedon
England

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----- Original Message -----
From: Paul Roark
To: DigitalB&WPrint
Sent: Tuesday, February 05, 2002 4:51 PM
Subject: Re: [Digital BW] Warm FS. A question for Paul

Adrian,

>Is it possible to modify the FS mix to give a tone
>as warm as the MIS VM warm tone. ...

The long answer:

Now that the neutral FS is done, coming out with a warmer -- perhaps
sepia -- version is an obvious next step. With the densities the same with
all FS inks, it would then be a matter of mixing the sepia and regular to
get the tone you like, and you would not have to worry about any density
changes.

Do you fill your own carts? Would some mixing be too much trouble, or do
you need a "plug & play" solution?

The short answer:

Use MIS VM cyan as the FS cyan. They are very close in density (virtually
identical), and the VM inkset is the base warm gray ink in the MIS Vm
inkset. It's the same pigment as the traditional MIS quads, just at
different dilutions.

Mix an FS/VM magenta as follows: 26% VM cyan and 74% MIS clear base.

Mix an FS/VM yellow as follows:

Method 1: Y = 11% VM cyan, remainder clear base;

Method 2: Y = 43% FS/VM magenta, remainder clear base.

Let me know how it goes.

Paul
http://www.PaulRoark.com

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Fw: [Digital BW] Warm FS. A question for Paul

2002-02-23 by Paul Roark

Adrian,

>...
>The inks print extremely well. In fact I have real trouble in
distinguishing them >from Piezo. They are perhaps a touch warmer but I was
hoping for something
>much  warmer, more akin to the VM warm.

If the ink that was sent was the MIS VM cyan, then it is as warm as the MIS
VM system goes.  The system takes the standard MIS quad warm inks and just
tones them with a light blue toner (which would be in the yellow position
with the 3000).

> I am pretty sure that I've got the ink mix correct...

Be sure MIS didn't send the FS cyan.  That ink is slightly more neutral than
Piezo.

>...can you offer advice as to how I can change the colour to something more
>sepia(ish)

That was the reason for the MIS VM-Sepia mix.  I have it in my 3000 now and,
so far, it looks good.  I might lower the gamut of the sepia toner a hair,
but the basic approach works.

If you want to use the Piezo driver, however, it will take more work.  I've
been thinking of a way to make it easy for people to adjust the warmth of
the Piezo system to whatever warmth they like.  I've had several requests.
The easiest way may be to get the toner density up to the FS-cyan density so
that you could then add the "FS cyan toner" to the FS cyan base in any ratio
you want and still have the right density.  Then you'd mix the magenta and
yellow the same way you did (like below).

I'll work on some numbers and see what I can come up with tonight.  I'm
thinking as I write this that it may be easier than I originally thought.
The approach would then allow a whole series of toners that could be used
for the VM and FS systems easily.

I'll get back to you on this, soon hopefully.

Paul
____________

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  ----- Original Message -----
  From: Paul Roark
  To: DigitalB&WPrint
  Sent: Tuesday, February 05, 2002 4:51 PM
  Subject: Re: [Digital BW] Warm FS. A question for Paul

  Adrian,

  >Is it possible to modify the FS mix to give a tone
  >as warm as the MIS VM warm tone. ...

  The long answer:

  Now that the neutral FS is done, coming out with a warmer -- perhaps
  sepia -- version is an obvious next step.  With the densities the same
with
  all FS inks, it would then be a matter of mixing the sepia and regular to
  get the tone you like, and you would not have to worry about any density
  changes.

  Do you fill your own carts?  Would some mixing be too much trouble, or do
  you need a "plug & play" solution?

  The short answer:

  Use MIS VM cyan as the FS cyan.  They are very close in density (virtually
  identical), and the VM inkset is the base warm gray ink in the MIS Vm
  inkset.  It's the same pigment as the traditional MIS quads, just at
  different dilutions.

  Mix an FS/VM magenta as follows: 26% VM cyan and 74% MIS clear base.

  Mix an FS/VM yellow as follows:

        Method 1:      Y = 11% VM cyan, remainder clear base;

        Method 2:      Y = 43% FS/VM magenta, remainder clear base.

  Let me know how it goes.

  Paul
  http://www.PaulRoark.com

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Fw: [Digital BW] Warm FS. A question for Paul

Fw: [Digital BW] Warm FS. A question for Paul

Fw: [Digital BW] Warm FS. A question for Paul

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