| 摘要 |
The fixing apparatus includes a cylindrical film, a nip portion forming member in contact with the film, a pressure member that forms the nip portion with the nip portion forming member through the film, a heater configured to heat the film by emitting a radiant light, the heater being arranged in a hollow portion of the film, a first shielding member arranged between the nip portion forming member and the heater, and a second shielding member that is movable between a first position in which the second shielding member is positioned in a region between the first shielding member and the nip portion forming member, and a second position in which the second shielding member is positioned in a region, where the nip portion forming member does not exist, between the heater and the film, wherein the second shielding member has a slit through which the radiant light passes. |
| 主权项 |
1. A fixing apparatus for fixing a toner image onto the recording material while conveying the recording material bearing the toner image at a nip portion, the fixing apparatus comprising:
a cylindrical film; a nip portion forming member in contact with an inner surface of the film; a pressure member configured to form the nip portion with the nip portion forming member through the film; a heater configured to heat the film by emitting a radiant light, the heater being arranged in a hollow portion of the film; a first shielding member arranged between the nip portion forming member and the heater; and a second shielding member configured to be movable between a first position in which the second shielding member is positioned in a region between the first shielding member and the nip portion forming member, and a second position in which the second shielding member is positioned in a region, where the nip portion forming member does not exist, between the heater and the film, wherein the second shielding member has a slit through which the radiant light passes. |
