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Operating Manual

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OPERATING MANUAL<br />

5.3 Calculating the ink quantity<br />

Once you have calculated a recipe in the main window or loaded it from<br />

the database, you can calculate the necessary ink quantity from the print<br />

order data.<br />

1. Click on Calculate ink quantity in the Recipe window.<br />

The Calculate Ink Quantity window appears.<br />

2. Enter the desired values in the Weight per area, Covered area<br />

and Circulation fields.<br />

The covered area designates the percentage of the substrate which<br />

is covered with ink.<br />

3. Click in the Substrate size field and then select the desired<br />

substrate format from the list displayed.<br />

The required ink quantity is displayed in the lower part of the window.<br />

The ink quantity is immediately updated upon any change in the entry.<br />

4. Click on OK once you have made all your entries. The ink quantity<br />

calculated is displayed in the Ink quantity field of the main window.<br />

5.4 Changing the film thickness or viscosity of a recipe<br />

When a recipe is displayed in the main window, you can change the Film<br />

thickness or the Viscosity (viscosity module only). Ink Formulation recalculates<br />

the percentages of the ink components for the current recipe. In<br />

essence all that changes is the percentage of transparent white.<br />

(viscosity module only): The Viscosity field is displayed only when<br />

entries for viscosity are being made ( see Section 14.4.2 «Preparing<br />

an assortment», Section 14.4.7 «Entering a viscosity» and Section 22.2<br />

«Formulation settings»).<br />

1. Enter the desired value in the Film thickness or Viscosity field.<br />

(viscosity module only): When viscosity is reduced, the proportion of<br />

solvent rises at the expense of the transparent white and, vice-versa,<br />

when viscosity is increased, the proportion of solvent is reduced in favor<br />

of the transparent white.<br />

48<br />

5 • Formulating a target color

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