Patent ID: 7419319

Claim:
An image forming apparatus comprising: a housing including a discharge tray at a top of the housing, the housing having a front face, and a rear side opposite to the front face; a paper cassette configured to be removable from the front face of the housing, the paper cassette accommodating a stack of sheets; a process cartridge configured to be removable from the front face of the housing, the process cartridge including at least a photosensitive drum; a feeder provided in the housing; a discharging device provided in the housing, the discharging device being configured to discharge the each sheet to the discharge tray from the rear side toward the front face; a document reader provided on the housing; a front cover that is movable between a first position and a second position; and a slit that is provided in the front cover, wherein the feeder is configured to feed each sheet from the paper cassette and each sheet from the slit to the process cartridge along a common paper feed path; wherein the document reader includes: a document tray on which an original document is placed; an image reader configured to read an image on the original document; a document discharging tray on which the original document is discharged from the image reader in the direction toward the front face, wherein the discharge tray is disposed below the document discharging tray, wherein the front face defines: a first opening that enables attachment and detachment of the paper cassette, and a second opening that enables attachment and detachment of the process cartridge so that both the paper cassette and the process cartridge are attachable and detachable through the front face, wherein the first position of a front cover reveals the second opening to an exterior of the image forming apparatus and the second position of the front cover conceals the second opening.