Image forming apparatus capable of forming an erasable image

U.S. Patent Number: 5394231

Abstract: An image forming apparatus capable of forming both of erasable images and images to be stored, and increasing the number of times that a single sheet with an image can be repetitively decolorized and reused. The apparatus includes a photoconductive element for electrostatically forming a latent image representative of image data. A developing device develops the latent image formed on the photoconductive element by either of an ordinary undecolorizable toner and a decolorizable toner.

Inventors: Sudo; Kazuhisa (Kawasaki, JP), Tanaka; Mitsuo (Tokyo, JP), Imai; Chikara (Tokyo, JP), Suzuki; Koji (Yokohama, JP), Sohmiya; Norimasa (Souka, JP), Takahashi; Sadao (Tokyo, JP)

Assignee: Ricoh Company, Ltd. (Tokyo, JP)

Application Number: 08/099,553

Issued: 1995-02-28

Expired: 2007-02-28

Classes: 399/228 ; 430/120; 430/45; 503/201

Field of search: 355/326R,327,328,245,246 430/109,106.6,904,45,120,105-108 503/201,204,216-217,225,226 118/645,653

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.