Output Technology Corporation

Louis Sims

Fred LeFriec

Joseph Dubner

Brian Peavey

A method and apparatus for printing multiple lines of characters simultaneously on a dot matrix printer and making available to the user a choice of alternate line spacings without physical or mechanical alteration of the printhead. The printhead includes an uninterrupted array of print elements having a total height greater than the combined total height of the multiple lines that are simultaneously printed plus the combined height of the intervening line spaces. By directing columnar character data to selected sets of print elements, the printhead can produce characters of a constant height with selected variations in interline spacing.

Dot matrix printer and method for printing multiple lines at different

A printer sound enclosure includes a perimeter wall defining a printer receiving compartment. A cover is positioned on the perimeter wall and is movable to permit access to the compartment for installing and operating a printer. An air duct is situated on the enclosure for open communication with an air vent on the printer housing. The air duct permits free passage of air for cooling purposes into or away from the printer housing. The air duct facilitates cooling of the printer components without requiring the use of an auxiliary fan on the enclosure. Sound reducing material is situated within the compartment and air duct to minimize sound emissions from the enclosure as the printer operates.

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Spokane, WA, United States of America

Louis Sims