Drop out ink
Drop out ink is ink specifically colored to avoid reading in high-speed OCR scanners. It is often a pastel yellow, red or orange.
The purpose for dropping out specific colors is to allow the OCR scanner to ignore those colors and operate only on the foreground information.[1]
Drop out ink is often used in the finance industry for automated paper invoice processing.
Drop out ink is not the same as inks that have been screened down.
References[edit]
- ^ "Form Design Guide". PC Networks. 2008-05-13. Retrieved 2022-11-13.
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