Patent ID: 8204430

Claim:
An image forming apparatus comprising: a printer body having a developing portion and a fixing portion therein; a plurality of sheet feeding rollers disposed within the printer body and driven to feed a sheet along a sheet feed path; a rear cover provided on a side of the printer body, the rear cover movable between an opened state and a closed state; a guide rib member disposed at an inner side of the rear cover to guide a sheet being fed along the sheet feed path; an idle roller disposed at an inner side of the rear cover to rotatably contact one of the sheet feeding rollers to feed a sheet when the rear cover is in the closed state; and a supplementary guide member moveable between a first position when the rear cover is in the opened state and a second position when the rear cover is in the closed state, wherein, when the rear cover is in the opened state and the supplementary guide member is in the first position, at least a portion of the supplementary guide member is positioned above the idle roller provided on the rear cover corresponding to the rear cover being open to guide the sheet being discharged to the guide rib member, and wherein the supplemental guide member prevents the sheet being discharged to the guide rib member from running into the idle roller when the rear cover is in the opened state.