Belt fixing device having moisture absorbing member and image forming apparatus

摘要

According to one embodiment, a fixing device includes a cylinder-shaped rotatable fixing belt and a pressurizing rotating member which is arranged so as to face the fixing belt along an axial direction, and transports a recording medium by rotating along with the fixing belt. In addition, arranged in the fixing belt, a pressurizing member which presses the fixing belt from an inner peripheral portion toward the pressurizing rotating member side, and a support member which supports the pressurizing member, and arranged a moisture absorbing layer which absorbs moisture in air and discharges the absorbed moisture according to a temperature rise between the support member and the pressurizing member.

主权项

1. A fixing device which fixes a toner image formed on a recording medium onto the recording medium, the device comprising:
a cylinder-shaped rotatable fixing belt which heats and melts a toner image formed on the recording medium; a pressurizing rotating member which is arranged so as to face the fixing belt along an axial direction, and transports the recording medium by rotating along with the fixing belt; a pressurizing member which is arranged inside the fixing belt, and forms a nip portion by pressing the fixing belt from an inner peripheral portion toward the pressurizing rotating member side; a support member which supports the pressurizing member; and a moisture absorbing layer which is arranged between the support member and the pressurizing member, absorbs moisture in air, and discharges the absorbed moisture according to a temperature rise.