Image density controller

Details Image density controller Image density controller

1985-10-23

1987-05-05

Lawrence, Evan K.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

118660, 222 57, 222DIG1, 355 10, B05C 1100, G03G 1510

Patent

active

046623132

ABSTRACT:
An apparatus that determines the density of the liquid developer in a xerographic system by depositing charged toner on a NESA glass segment, and optically measuring the density of the toner. A cleaning station is also provided. If the toner density is too low, more toner is added, and the test is repeated.

REFERENCES:
patent: Re27480 (1972-09-01), Kamola
patent: 3376854 (1968-04-01), Kamola
patent: 3399652 (1968-09-01), Gawron
patent: 3635373 (1972-01-01), Kuhl et al.
patent: 3727065 (1973-04-01), Maksymiak
patent: 3757999 (1973-09-01), Maksymiak

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