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.
Patent No.:
Date of Patent:
Jan. 14, 1992
Filed:
Nov. 27, 1990
Applicant:
Inventor:
Naho Wakao, Machida, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355206 ; 271-3 ; 271 65 ; 271258 ; 355309 ; 355321 ;
Abstract
In a method of controlling copying-paper feed in an image forming apparatus having a recycling original feeder for feeding a sheet of an original mounted on a tray to an original reading portion, a paper supply unit for starting a paper supply operation of a sheet material, and a duplex unit with an intermediate tray, the steps of detecting a paper jam in the recycling original feeder, determining whether the paper supply unit has started its paper supply operation and then transmitting the sheet material to the sheet receiving member for temporarily storing the sheet material. After jam removal, the sheet material may then be routed to an image formation position.