International Business Machines Corporation

Patrick J Traglia

Gerald R Westcott

James E Carrington

Robert D Bloom

Richard A Ide

A printer control system uses two microprocessors and a print control for operating a plurality of print hammers in synchronism with a revolving type carrier. One microprocessor is a mechanical control processor, the print hammers are operated by a self timed print control system and the other microprocessor is a print control processor that communicates with a host system for receiving print and control data used by the print control and the mechanical control processor for operating the printer. The mechanical control processor monitors a speed selection device such as an operator panel with speed control keys and operates controls for operating drive means for moving the type carrier at selected speeds. The print control processor supplies speed control data from a diskette to the mechanical control processor for control the type carrier speed.

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Endwell, NY, United States of America

Patrick J Traglia