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:
Feb. 19, 1991

Filed:

Jul. 21, 1988
Applicant:
Inventor:

Hirohisa Miyamoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; G03G / ;
U.S. Cl.
CPC ...
355210 ; 355218 ; 355225 ; 355326 ;
Abstract

The image forming apparatus includes first developing unit, a unit mounting portion, a detecting apparatus, input apparatus and a mode controller. Either an outline forming unit or a second developing unit for developing a latent electrostatic image is mounted on the unit mounting portion. The detecting apparatus detects which of the outline forming unit and the second developing unit is mounted on the mounting portion. The input apparatus selects one of an outline forming mode, a first developing mode and a second developing mode. The mode controller controls the first and the second developing unit and the outline forming unit according to any of the modes based on the information from the detecting apparatus and the input apparatus. The mode controller can select either the outline forming mode or the first developing mode when the outline forming unit is detected by the detecting apparatus. The mode controller can select either the first developing mode or the second developing mode when the second developing unit is detected by the detecting apparatus.


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