Toner replenishing and developer replacing device for a developi

Details Toner replenishing and developer replacing device for a developi Toner replenishing and developer replacing device for a developi

1998-09-21

2000-09-26

Beatty, Robert

Electrophotography

Diagnostics

Consumable

399257, G03G 1508

Patent

active

061252433

ABSTRACT:
In an image forming apparatus, a developing unit for forming an image by use of a two-ingredient type developer, i.e., toner and carrier mixture, includes a container for replenishing fresh toner and for replacing carrier deteriorated due to aging or a developer including such carrier. The developer in the developing unit will be collected based on the number of times that a part of the developer has been replenished.

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patent: 5235391 (1993-08-01), Aimoto
patent: 5915155 (1999-06-01), Shoji et al.

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