Use of sequential firing to compensate for drop misplacement due

Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element

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346140R, 346 75, B41J 207, B41J 2045

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050437402

ABSTRACT:
A method and apparatus actuates a line of printing elements to form characters on a recording medium contained on a curved surface of a platen. The printing elements are sequentially actuated, starting with nozzles located furthest from the platen and proceeding towards printing elements located closest to the platen until the actuation of all element has been performed. The line of printing elements can form a printhead which includes a plurality of nozzles arranged in at least one line having opposing ends, this line being substantially perpendicular to a longitudinal axis of the curved platen. Preferably, the line of nozzles is arranged with its center located closest to the platen and the nozzles are actuated starting at the ends of the line of nozzles.

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patent: 4670761 (1987-06-01), Yoshino et al.
patent: 4709244 (1987-11-01), Platt et al.
R. F. Pan, Print Quality Improvement in Multiple Nozzle Ink Jet Printers; 12-80; pp. 1 and 2, vol. 23 No. 7B IBM Technical Disclosure Bulletin.

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