Copy reproduction machine with controller self check system

Details Copy reproduction machine with controller self check system Copy reproduction machine with controller self check system

1979-04-09

1981-05-05

Atkinson, Charles E.

Excavating

364900, G06F 1100, G01R 3128

Patent

active

042662940

ABSTRACT:
An electrostatographic type copying or reproduction machine incorporating a programmable controller to operate the various machine components in an integrated manner to produce copies is disclosed. The controller carries a master program bearing machine operating parameters from which an operating program for the specific copy run desired is formed and used to operate the machine components to produce the copies programmed. A multiple prioritized interrupt system is employed to distribute the operating program to the machine.
Self check routines check the operational integrity of the controller prior to start-up of the machine and periodically while the machine is processing copies.

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patent: 4112263 (1978-09-01), Lender
Shattuck, Logic Card Test Apparatus, IBM Technical Disclosure Bulletin, vol. 13, No. 3, Aug. 1970, p. 605.
Wooster, Testing of a Unit Containing a Device with Dynamic Storage, Western Electric Technical Digest No. 26, Apr. 1972, p. 65.

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