Image forming apparatus and developer aging method

Details Image forming apparatus and developer aging method Image forming apparatus and developer aging method

1997-07-18

1999-10-19

Pendegrass, Joan

Electrophotography

Diagnostics

Consumable

399 49, 399 53, G03G 1508, G03G 1500

Patent

active

059702761

ABSTRACT:
An image forming apparatus and a method of aging a developer stored in the apparatus are disclosed. The developer is adequately aged in accordance with the initial characteristic of the developer and environmental conditions. As a result, the developer automatically achieves a desired developing characteristic in a short period of time. An image of high quality, i.e., free from background contamination and local omission can be stably produced even just after the aging. In addition, toner is prevented from flying about. Even erroneous sensing by an optical sensor can be obviated.

REFERENCES:
patent: 5402209 (1995-03-01), Itoyama et al.
patent: 5475476 (1995-12-01), Murai et al.
patent: 5552877 (1996-09-01), Ishikawa et al.
patent: 5565973 (1996-10-01), Fujishiro et al.
patent: 5617198 (1997-04-01), Ishikawa et alk.
patent: 5646721 (1997-07-01), Sugihara et al.

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