Title:
像加熱装置
Document Type and Number:
Japanese Patent JP5335545
Kind Code:
B2
Abstract:
An image forming apparatus includes a rotatable heater for heating a toner image on a recording material in a nip; a rotatable pressor for pressing against the heater to form the nip; a moving mechanism for spacing the heater and the pressor from each other; a detector for detecting a temperature of the pressor; a cooler for cooling the pressor; a changer for changing the rotational speed of the pressor; and an executor for executing, when the temperature of the pressor reaches an upper limit temperature during execution of an image formation job of continuously forming the images, a cooling mode for cooling the pressor by the cooler in a state that the pressor and the heater are spaced from each other while rotating the pressing member at a second rotational speed higher than a first rotational speed which is a speed during the execution of the job.
Inventors:
Yoshikuni Ito
Toshinori Nakayama
Chiyoda Ho Fine
Toshinori Nakayama
Chiyoda Ho Fine
Application Number:
JP2009114531A
Publication Date:
November 06, 2013
Filing Date:
May 11, 2009
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G15/20
Domestic Patent References:
| JP2008015419A | ||||
| JP7072759A | ||||
| JP2000214722A |
Attorney, Agent or Firm:
Nakagawa International Patent Office