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:
Apr. 27, 1993

Filed:

Jul. 19, 1989
Applicant:
Inventors:

Tadashi Ohira, Osaka, JP;

Masazumi Ito, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355290 ; 219216 ; 355282 ; 355285 ;
Abstract

An image forming apparatus comprises an image forming portion for forming toner images on a sheet of paper, a fixing portion for fixing the toner images on the sheet of paper by heat, and a counter for counting the number of sheets on which images are fixed from the time of turning on of the power. The image forming portion forms toner images on the paper at a low speed until the counter counts a prescribed number. Since the number of sheets to be fixed is reduced at the start of operation, the temperature of the fixing portion is not very much lowered. Namely, the fixing operation can be started when the temperature of the fixing portion reaches a prescribed value. Therefore, the time required for warming up the image forming forming apparatus can be reduced.


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