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Title:
IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP3026642
Kind Code:
B2
Abstract:

PURPOSE: To obtain an image forming device which functions as a printer and also as a printing press and can keep a running cost low.
CONSTITUTION: In a printer mode, a sheet is fed onto a support drum 1 so that a dielectric layer is disposed on the upper side; a thermal head 4 writes an image; an electrostatic latent image is formed on the sheet; a developing device 5 supplies a toner to the electrostatic latent image; a toner image is formed on the sheet; and the toner image is transferred to transfer paper by a transfer charger 6. In a printing press mode, a sheet is fed onto the support drum 1 so that a conductive layer is disposed on the upper side; the thermal head 4 writes an image; at the heated part, the conductive layer is released and a dielectric layer is fused; recessed parts are formed on the dielectric layer; the recessed parts are electrified by an electrifying charger 3: the developing device 5 supplies a toner into the recessed parts; the toner in the recessed parts is transferred to transfer paper by the transfer charger 6.


Inventors:
Shin Obu
Takeo Wada
Toshiyuki Kawanishi
Noriyoshi Tarumi
Masato Igarashi
Katsuaki Miyawaki
Takashi Mori
Application Number:
JP17407691A
Publication Date:
March 27, 2000
Filing Date:
July 15, 1991
Export Citation:
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Assignee:
株式会社リコー
International Classes:
B41C1/10; B41C1/05; B41J2/335; B41J2/385; B41M1/06; B41M1/10; G03G13/26; G03G15/00; G03G15/05; (IPC1-7): B41C1/05; B41J2/385; B41M1/10; G03G13/26; G03G15/05
Domestic Patent References:
JP1255560A
JP4338962A
Attorney, Agent or Firm:
Toru Kabayama (1 person outside)



 
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