Fixing device and image forming apparatus using the same

Fixing device and image forming apparatus using the same

  • CN 102,147,586 A
  • Filed: 02/01/2011
  • Published: 08/10/2011
  • Est. Priority Date: 02/04/2010
  • Status: Active Application
First Claim
Patent Images

1. fixing device, this fixing device is conveying recording medium on one side, on one side with the unfixed toner image photographic fixing in this recording medium, it is characterized in that,This fixing device has:

  • Photographic fixing portion;

    Backer roll;

    Cleaning section;

    AndContact separation mechanism,Above-mentioned photographic fixing portion possesses;

    Rotation fixing roller freely;

    Warm-up mill;

    AndThe photographic fixing band, this photographic fixing band carries out heating and melting around being hung on above-mentioned fixing roller and the above-mentioned warm-up mill to the unfixed toner image on the recording medium, thereby photographic fixing on aforementioned recording medium,Above-mentioned backer roll is arranged at across above-mentioned photographic fixing band and the opposed position of above-mentioned fixing roller in freely mode of rotation, and one side is pressed against above-mentioned photographic fixing band with aforementioned recording medium and carries aforementioned recording medium on one side,Above-mentioned cleaning section possesses cleaning member, and this cleaning member is impregnated with silicone oil and contacts and above-mentioned backer roll is cleaned with above-mentioned backer roll,Above-mentioned contact separation mechanism makes above-mentioned photographic fixing portion and above-mentioned backer roll contact separation,The viscosity of above-mentioned silicone oil is 3, more than the 000cs,Before the above-mentioned photographic fixing band in the warming-up exercise that carried out before photographic fixing action and the photographic fixing of above-mentioned backer roll during spinning movement, above-mentioned contact separation mechanism makes above-mentioned photographic fixing band separate with above-mentioned backer roll.

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