Image forming apparatus having developer carrying member with su

Details Image forming apparatus having developer carrying member with su Image forming apparatus having developer carrying member with su

1991-06-14

1992-11-17

Fuller, Benjamin R.

Photocopying

Contact printing

Light boxes

430102, 430105, G03G 1509

Patent

active

051647800

ABSTRACT:
An image forming apparatus comprising an electrostatic latent image bearing member and a developing apparatus for developing an electrostatic latent image. The developing apparatus comprises a developer container in which a developer is held, and a developer-carrying member for carrying thereon the developer and transporting the developer to a developing zone. The developer-carrying member has a surface layer of a resin containing at least conductive fine particles and a solid lubricant, and the surface layer has in its relative load curve (Abbot's load curve) a cutting depth C.sub.v of not more than 5 .mu.m when a relative load length t.sub.p is 5%; and the developer contains a toner and a fine powder pretreated with a silicone oil or silicone varnish.

REFERENCES:
patent: 4989044 (1991-01-01), Nishimura

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