Developer method and apparatus

Details Developer method and apparatus Developer method and apparatus

1988-10-17

1990-04-10

Braun, Fred L.

Photocopying

Contact printing

Light boxes

118657, 430122, G03G 1509, G03G 1309

Patent

active

049164929

ABSTRACT:
A developing method utilizing a developer including a mixture of magnetic carrier particles and toner particles wherein a stationary layer containing magnetic particles is formed on a developer carrying member in a developer container. The stationary layer is allowed to expand and contract in order to control an area of the developer supplying opening upstream of the stationary layer with respect to movement of the developer carrying member thus stabilizing the toner content in the developer supplied to the developing station.

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patent: 4637706 (1987-01-01), Hosoi et al.
patent: 4638760 (1987-01-01), Nakamura et al.
patent: 4653427 (1987-03-01), Hosaka et al.
patent: 4660958 (1987-04-01), Egami et al.

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