Developing apparatus with two toner-supplying bodies that...

Details Developing apparatus with two toner-supplying bodies that... Developing apparatus with two toner-supplying bodies that...

2007-10-02

2007-10-02

Grainger, Quana (Department: 2852)

Electrophotography

Image formation

Development

C399S272000

Reexamination Certificate

active

10999822

ABSTRACT:
A developing apparatus includes a developing roller, a toner-supplying roller, and at least one toner-supplying member. The developing roller develops an electrostatic latent image formed on a photoconductive drum with toner. The toner-supplying roller is formed of a foamed material and rotates in contact with the developing roller to supply the toner to the developing roller. The toner-supplying member is disposed over the toner-supplying roller and opposes an upper surface of the toner-supplying roller. The toner-supplying member approaches the toner-supplying roller periodically to supply the toner to the toner-supplying roller. When the toner-supplying member is closest to the toner-supplying roller, the developer-supplying member and the toner-supplying roller are either in contact with each other or are spaced apart by a distance not longer than 0.8 mm.

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