Control system and method for testing print hammers in a high sp

Details Control system and method for testing print hammers in a high sp Control system and method for testing print hammers in a high sp

1980-06-25

1982-03-02

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9314, 101 9329, 340515, 324 73R, 324415, 371 28, B41J 938

Patent

active

043174124

ABSTRACT:
A method and apparatus for testing print elements of a printer, such as a belt printer, in which the print element operating circuits are energized at an energy level insufficient to cause printing but sufficient to generate feedback signals for checking operativeness by a microprocessor.

REFERENCES:
patent: 3814920 (1974-06-01), Huelkers
patent: 4070565 (1978-01-01), Borrelli
patent: 4139147 (1979-02-01), Franke
patent: 4216374 (1980-08-01), Lam et al.
patent: 4216539 (1980-08-01), Raymond et al.
patent: 4275653 (1981-06-01), Bolcavage
patent: 4278021 (1981-07-01), Nahano et al.

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