Photocopying – Including fiber optics
Patent
1987-11-02
1989-04-25
Moses, R. L.
Photocopying
Including fiber optics
355 24, G03G 1500
Patent
active
048252450
ABSTRACT:
An electrographic printing apparatus capable of duplex printing comprises a housing, a source of copy material and an output tray for receiving such copy material after it is imprinted, and a photoconductive member for storing a latent electrostatic image of the information to be imprinted. The printer/copier has first and second paper paths located near the top of the housing so that access to the paper may be achieved from the top of the housing. A photoconductive member is located below the first paper path and comes into contact with a first side of the paper from below in a transfer zone located in the first paper path to imprint the first side of the paper. The second paper path is operative to receive paper after it has passed through the transfer zone and information has been transferred to the first side of the paper. As the paper travels along the second paper path, it is turned over and then returned to the first paper path prior to the transfer zone so that the second side of the paper is imprinted from below by the photoconductive member. The invention also encompasses a duplexing unit which is attachable as a module to the body of an electrographic printer to convert it from a simplex printer to a duplex printer.
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Fukae Kensuke
Kaieda Shozo
Kentek Information Systems Inc.
Moses R. L.
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