Heating and fixing device

Abstract

Abstract PURPOSE:To fix a toner image on various recording materials so that a color tone becomes clear, and also to raise the durability of a fixing rotating body by switching a set temperature and a set speed of the fixing rotating body in accordance with kinds of the recording materials. CONSTITUTION:A kind of whether a transfer material 201 on which a toner image is formed is transparent, thick paper or usual thin paper, etc. is detected by a recording material detecting means 50, and a setting switching means 51 is switched. Subsequently, an electric power is supplied to a heater 37 of a heating roller 34 by an electric power supplying means 55 through a temperature control means 52 in accordance with kinds of the transfer materials, a driving force supplying means 56 of a motor, etc. is controlled through a driving control means 53, and a set temperature and a set speed of the roller 34 are made optimum. As a result, a fixing failure and generation of an offset are prevented without being influenced by kinds of the transfer materials, and a toner image is fixed so that a color toner becomes clear, and the durability of a fixing roller, etc. can be raised.

Inventors

• 👤 Akio Ono
• 👤 大野　晃生
• 👤 Kenji Takeda
• 👤 謙二 武田

Bibliographic Details