The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 30, 2004

Filed:

Jan. 10, 2002
Applicant:
Inventors:

Tetsuo Yamanaka, Tokyo, JP;

Kazuhiko Kobayashi, Tokyo, JP;

Tadashi Shinohara, Kanagawa-ken, JP;

Jun Hosokawa, Tokyo, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 2/116 ; G03G 1/501 ; B41J 2/385 ; G01D 1/506 ;
U.S. Cl.
CPC ...
G03G 2/116 ; G03G 1/501 ; B41J 2/385 ; G01D 1/506 ;
Abstract

A method of image forming that employs detachable image forming mechanisms for forming color images, each individually using a color toner different from each other and an image carrying member for carrying the color images that are sequentially overlaid on one another into a single color image. A detecting step detects the exchange of one of the detachable image forming mechanisms. A further step performs an adjustment for eliminating displacements of color images formed by the detachable image forming mechanisms, in accordance with the detection of the exchange of one of the detachable image forming mechanisms detected in the detecting step.


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