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:
Mar. 01, 2016
Filed:
Jan. 22, 2015
Masahiro Samei, Osaka, JP;
Tomoya Adachi, Osaka, JP;
Daisuke Inoue, Osaka, JP;
Yasuharu Kawarasaki, Hyogo, JP;
Yoshiharu Takahashi, Osaka, JP;
Masahiro Samei, Osaka, JP;
Tomoya Adachi, Osaka, JP;
Daisuke Inoue, Osaka, JP;
Yasuharu Kawarasaki, Hyogo, JP;
Yoshiharu Takahashi, Osaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes a controller including a primary heating control portion to control a heater to perform a primary heating to heat a fixing rotator with a first amount of power determined based on a temperature of the fixing rotator, a secondary heating control portion to control the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion to control the heater to switch between the primary heating and the secondary heating during an identical print job and to perform at least one of a primary switching from the primary heating to the secondary heating and a secondary switching from the secondary heating to the primary heating at a time different from a preset control cycle that defines a power supply time in the primary heating and the secondary heating.