Image forming apparatus having transfer device provided in...

Details Image forming apparatus having transfer device provided in... Image forming apparatus having transfer device provided in...

2006-07-11

2006-07-11

Grainger, Quana (Department: 2852)

Electrophotography

Cleaning of imaging surface

Including lubricant

Reexamination Certificate

active

07076199

ABSTRACT:
An image forming apparatus in which a toner image on an image carrying body is transferred by a transfer device provided in contact with the image carrying body and a mutual relation between the respective surface properties of both the image carrying body and a transfer member to have a toner image transferred thereon being made to satisfy a specified relation described below: an angle of contact of the image carrying body for pure water when T second has passed after pure water was dropped on the surface is greater than an angle of contact of the transfer member for pure water when T second has passed after pure water was dropped on the surface, where T represents a transit time of toner particles through the contact area of the image carrying body with the transfer device.

REFERENCES:
patent: 5731122 (1998-03-01), Yoshida et al.
patent: 6233424 (2001-05-01), Mohri et al.
patent: 6760562 (2004-07-01), Nishida et al.

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