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:
Sep. 12, 2000

Filed:

Sep. 10, 1999
Applicant:
Inventors:

Hirohiko Yamazaki, Hachioji, JP;

Takeo Morohashi, Hachioji, JP;

Akitoshi Matsubara, Hachioji, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
399370 ; 399 38 ; 399 82 ;
Abstract

An image forming apparatus includes: a tray on which documents are stacked; a first document size detector for detecting a size of the documents stacked on the tray; a second document size detector for detecting a size of each of the documents conveyed from the tray; an automatic document feeding device having a document reading section for reading an image of each of the documents; an image forming section including a transfer material feeder for feeding transfer materials; and a controller for selecting and feeding transfer materials according to the detected document size. When the first document size detector detects that the size of the documents is identical to a regular size, the controller selects and feeds the transfer materials in accordance with the regular size, and when the first document size detector detects that the size of the documents is not identical to the regular size, the controller controls the second document size detector to detect the size of each of the documents conveyed from the tray, and selects and feeds transfer materials in accordance with the size detected by the second document size detector.


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