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COUNTERBALANCED RECIPROCATING PRINTHEADS

IP.com Disclosure Number: IPCOM000026598D
Original Publication Date: 1992-Dec-31
Included in the Prior Art Database: 2004-Apr-06

Publishing Venue

Xerox Disclosure Journal

Abstract

Many printers use reciprocating print mechanisms. Among these are impact printers and most ink jet printers. As printer printheads start and stop or reach end of travel and reverse direction, momentum transfers to the printer from the printhead. Generally, when a printer mass is small and its printhead acceleration and velocity are large, the printer body has a tendency to oscillate. As a result of the tradeoff between printer mass and printhead mass and velocity, high speed printers are constructed with more mass to bring vibrations to an acceptable level.