Process control for electrostatographic machine

Details Process control for electrostatographic machine Process control for electrostatographic machine

1987-09-14

1988-10-18

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

358500, G01D 1500

Patent

active

047791063

ABSTRACT:
An electrostatographic machine is disclosed with at least one adjustable process control parameter. The machine electronically stores electrical test image information signals. A reproduction of the test image is created using the electrical information signal, and a second electrical information signal is in turn created from the reproduction. The second electrical information signal is compared with the first electrical information signal to produce an error signal representative of differences therebetween. The process control parameter is adjusted in response to the error signal to minimize said differences.

REFERENCES:
patent: 4075662 (1978-02-01), Gall
patent: 4491875 (1985-01-01), Kawamura

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