Patent ID: 6990303

Claim:
An image forming apparatus comprising: a box shaped main body guide members fixed in the main body; rail members attached to the guide members so as to slide for the guide members; supporting members fixed to the rail members to pull out them to the outside from the main body; a fixing device fixed to the supporting members and movable between the inside and the outside of the main body; and magnets provided to the fixing device that fix the fixing device in the main body by magnetically adsorbed to a part of the main body when the fixing device once moved to the outside of the main body is returned in the main body, wherein the fixing device includes: a heating roller in a length nearly corresponding to the maximum width of paper; a pressure roller to press contact the heating roller in substantially same length as that of the heating roller; and a contacting/separating mechanism to press contact/separate to/from the heating roller, and wherein the contacting/separating mechanism includes: a cover having a side to house the heating roller and the pressure roller, an oscillation lever of which one end is pivoted on the side of the cover to freely oscillate; and a spring provided to the oscillation lever to press the pressure roller to the heating roller.