Minolta Company, Ltd.

Shigeo Honma

Yuusuke Morigami

Eiji Okabayashi

Mitsuru Isogai

Tetsuro Ito

Toshio Sakata

Taizou Oonishi

Yoshifumi Kosagi

A heating device comprises an endless rotary member having a peripheral surface to be moved rotatively, a resistance heating member arranged at the peripheral surface of the rotary member and generating a heat when supplied with an electric current, a current receiver member arranged in a space inside the rotary member and electrically connected to the resistance heating member, and a current supply member being in contact with the current receiver member and to be electrically connected to a power source. A heating rotary member for the heating device comprising the endless rotary member, the resistance heating member, and the current receiver member.

Heating device and heating rotary member

In a fixing device with a fixing roller that fixes the toner held on a sheet, a pressuring roller that contacts with the fixing roller, and a supply roller that applies the oil to the fixing roller, image noises and offset phenomenon are prevented by replenishing the consumed oil immediately to the supply roller only when the fixing roller is rotating, based on the oil replenishing speed determined by the rotational speed of the fixing roller and the oil replenishing amount determined by the total rotation time of the fixing roller.

Fixing device, and releasing agent replenishing device and method for

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Toyohashi, Japan

Shigeo Honma