Developing apparatus provided with toner replenishing arrangemen

Details Developing apparatus provided with toner replenishing arrangemen Developing apparatus provided with toner replenishing arrangemen

1989-06-14

1990-06-19

Moses, R. L.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

355246, G03G 1508

Patent

active

049343149

ABSTRACT:
A developing apparatus for use in an electrophotographic system, which is so arranged that concentration of the developing material is maintained constant irrespective of the sizes of the sheets used for recording, and is not varied by the densities of the images to be recorded, while troubles of the apparatus, the state of "toner empty", and troubles of a developing material replenishing device, etc. may be detected without the need for providing sensors exclusive for the purpose.

REFERENCES:
patent: 4101214 (1978-07-01), Irie et al.
patent: 4122981 (1978-10-01), Takeuchi et al.
patent: 4416535 (1983-11-01), Tottori
patent: 4514480 (1985-04-01), Wada et al.
patent: 4519695 (1985-05-01), Murai et al.
patent: 4522481 (1985-06-01), Imai et al.
patent: 4639117 (1987-01-01), Murai et al.
patent: 4687320 (1987-08-01), Nakanishi et al.
patent: 4708458 (1987-11-01), Ueda et al.

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