FIXING DEVICE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a fixing device capable of achieving temperature lowering of a heat roller which can not be actualized in a heat roller driving system due to a slip phenomenon, and an image forming apparatus. SOLUTION: The fixing device 18 includes the heat roller 41 which is heated by a halogen heater HH, a pressure roller 42 which clamps a paper with the heat roller 41, and a driving gear 66 fixed to an end of the pressure roller 42 to rotate the pressure roller 42. Then the diameter Dp of the pressure roller 42 and a nip width N in a circumferential direction between the heat roller 41 and pressure roller 42 are so related that 0.24