公开(公告)号：US20210216029A1

公开(公告)日：2021-07-15

申请号：US17145260

申请日：2021-01-08

Applicant: KYOCERA Document Solutions Inc.

Inventor： Shunsaku FUJII ,  Takashi EIKI ,  Hiroki KAWASAKI ,  Ryohei TOKUNAGA ,  Rina KIKUKAWA ,  Sadanori NAKAE ,  Kotatsu KAWAGUCHI ,  Yuta KITABAYASHI ,  Sara FUJIKAWA ,  Atsushi KOHAMA ,  Yuhiro SAKAI

IPC: G03G15/20

Abstract: The fixing device includes a cylindrical heated member and a heating part. The cylindrical heated member is long in a width direction of a sheet, and is supported in a rotatable manner with coming into contact with a fixing face of the sheet. The heating part is provided in an inner space of the heated member and heating an inner circumferential face of the heated member. The heating part includes a plurality of heaters disposed side by side in a longitudinal direction of the heated member; and a first temperature sensor measuring a first heater of the plurality of heaters or a heated area of the heated member heated by the first heater. The plurality of heaters and the first temperature sensor are connected in series by a first power supply line.