Developer mix monitoring for color developer stations

Details Developer mix monitoring for color developer stations Developer mix monitoring for color developer stations

1990-12-24

1993-03-09

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355246, 355326, G03G 2100

Patent

active

051929724

ABSTRACT:
A toner monitor in an electrostatographic machine is automatically calibrated when a toner monitor is periodically caused to read a simulated nominal toner concentration. Any difference between the monitor's output and that expected for the simulated nominal toner concentration is applied to a compensation device. The simulated nominal toner concentration signal is obtained by periodic alignment of the toner monitor with a magnetically permeability member.

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patent: 4916488 (1990-04-01), Kimura
patent: 4928146 (1990-05-01), Yamada
patent: 4932356 (1990-06-01), Watanabe et al.
patent: 4956668 (1990-09-01), Arnold et al.
patent: 4956669 (1990-09-01), Nakamura

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