Patent ID: 7801474

Claim:
A fixing device comprising: a rotor and a fixed pressing member for forming a nip section for fixing an image onto a conveyed sheet, the rotor and the fixed pressing member extending along a width direction of the sheet; a heating section for heating the rotor to a fixing temperature; and a holding frame placed along the fixed pressing member on an opposite side of the rotor with respect to the fixed pressing member, wherein the holding frame comprises a groove section having a recessed cross section and extending along the width direction of the sheet for housing the fixed pressing member in the groove section, and presses the fixed pressing member toward the rotor so that the rotor and the fixed pressing member are put in pressure contact with each other, and wherein a first engaging element is provided in a predetermined position on a bottom face of the groove section of the holding frame, while a second engaging element which engages with the first engaging element is provided on the fixed pressing member.