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RELIABLE CONSTRUCTION OF A THERMAL INK JET FULL WIDTH ARRAY PRINT BAR

IP.com Disclosure Number: IPCOM000027869D
Original Publication Date: 2001-Jun-30
Included in the Prior Art Database: 2004-Apr-09

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a bar construction that improves reliability of a Thermal Ink Jet (TLT) Full Width Array (FWA) print bar without improving inherent jet reliability. The FWA is broken bar into N individually replaceable units such that function wise, the assembled units act like a FWA. Thus, a failure of one or more jets represents a failure of the replacement unit containing the jets and not the whole bar. In this manner, reliability is improved by a factor of: