Patent ID: 7500664

Claim:
An image forming apparatus comprising: a medium supply device including: a lift plate which supports a stack of recording media each in the form of a sheet; a lift mechanism which positions the lift plate such that a topmost one of the recording media stacked on the lift plate is located at a pickup position; and a pickup roller which rotates in contact with the topmost recording medium as positioned at the pickup position, in order to supply the topmost recording medium; a feeding device including: a feeder member which feeds each recording medium as supplied from the medium supply device; and a nip roller which presses the recording medium onto the feeder member; a recording portion which records an image on the recording medium as fed by the feeding device; and a multiple supply preventer disposed between the medium supply device and the feeding device such that the multiple supply preventer is inclined with respect to a supply direction in which the medium supply device supplies the recording medium, such that an upper end of the multiple supply preventer is located downstream of a lower end thereof in the supply direction, the multiple supply preventer preventing supply, at a time, of a plurality of the recording media, by contacting a leading edge of the recording medium to be supplied by the medium supply device and a leading edge of each of at least one other recording medium under the recording medium to be supplied in the stack, wherein the upper end of the multiple supply preventer is located below and spaced away from the recording medium, when the recording medium is in a tense phase in supply thereof.