Oce Arizona 550 GT User Manual page 157

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[102] Flood 50 PSD
In some cases, it may be easier to select the area in which you don't want any white ink
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data and then select the inverse.
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[104] Select
It is also possible to edit the spot channel much as you would any other data in a Photo-
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Shop document, making use of such tools as the Eraser.
Save your image as a either a TIFF or PSD format file (see the points below to determine
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the best format).
[106] Save with Spot Option
How to Create White Spot Data in Photoshop
[103] Flood 100 PSD
[105] Select Inverse
Chapter 8 - How to Work With White Ink 157