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Patent Searching and Data


Title:
IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP2004109848
Kind Code:
A
Abstract:

To provide an image forming device by which an image can be obtained inexpensively and stably obtained without using a cleaning blade and a user can simply and easily substitute an image forming unit without being warried about tonor splashing or the like.

The image forming device comprises a toner recovery means to which bias of the same polarity as toner polarity is impressed in order to catch toner which is obtained by dissolving or dispersing prepolymer consisting of modified polyester group resin, compounds to be extended/cross-linked to the prepolymer and coloring agents in an organic solvent, removing the solvent and charged reversely to the toner polarity on the transfer means downstream side of a photoreceptor and the toner recovered by the toner recovery means is returned to the surface of the photoreceptor at the time of operation other than image printing.


Inventors:
UMEMURA KAZUHIKO
HOSOKAWA HIROSHI
TSUDA KIYONORI
TAKECHI RYUTA
KAWASUMI MASANORI
ARAI YUJI
NARIMI SATOSHI
Application Number:
JP2002275407A
Publication Date:
April 08, 2004
Filing Date:
September 20, 2002
Export Citation:
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Assignee:
RICOH KK
International Classes:
G03G9/08; G03G9/087; G03G15/08; G03G15/16; G03G21/00; (IPC1-7): G03G9/087; G03G9/08; G03G15/08; G03G15/16; G03G21/00
Attorney, Agent or Firm:
Masami Sakai
Norio Kagami
Hidetake Komatsu