Method of printing using inks having different characteristics

Details Method of printing using inks having different characteristics Method of printing using inks having different characteristics

1996-09-23

1999-06-15

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 14, B41J 2145, B41J 215, B41J 2938

Patent

active

059126825

ABSTRACT:
A method of printing an image on an image receiving medium utilizing ink jet printing technology is disclosed. The image, particularly a postage meter indicia, is composed of two discrete portions, one having graphic information which need not be machine readable, the other having alpha-numeric information which must be machine readable and therefore must be water fast. The graphic information, however, must be printed with an ink that contains fluorescent material. The image is thus printed with two separate ink jet printing devices operating simultaneously, one of the printing device being supplied with fluorescent ink that is not water fast, and the other being supplied with water fast ink.

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