Patent ID: 8864122

Claim:
An image recording apparatus comprising: a sheet supplier configured to supply a recording medium; a first conveyor configured to convey the recording medium supplied from the sheet supplier in a conveying direction; a recording portion configured to record an image on the recording medium conveyed by the first conveyor; and a controller configured to: detect an orientation of the recording medium with respect to the conveying direction while the recording medium is conveyed, wherein the recording medium comprises an envelope; and when the detected orientation of the recording medium with respect to the conveying direction is determined to be different from a predetermined orientation, make the conveying speed of the recording medium by the first conveyor a first speed which is lower than a second speed of conveying the recording medium by the first conveyor when the detected orientation of the recording medium with respect to the conveying direction is the same as the predetermined orientation, wherein the predetermined orientation includes a flap portion of the envelope corresponding to an upstream end portion of the envelope in the conveying direction.