US Patent 7524049 Recording apparatus

There is disclosed a recording apparatus including: feeder rollers including a drive roller; an endless feeder belt wound around the feeder rollers to be circulated around the feeder rollers by operation of the drive roller such that a path of circulation of the feeder belt includes a feeder-belt straight travel zone at which the feeder belt travels straight, the feeder belt feeding a recording medium; a plurality of detection rollers; an endless detection belt formed separately from the feeder belt and wound around the detection rollers such that the detection belt is circulated with the feeder belt by contacting the circulated feeder belt at at least a part of the feeder-belt straight travel zone which part constitutes an overlapping zone, the detection belt having detection marks arranged at constant intervals along an extending direction of the detection belt; at least one pair of nip rollers, each pair cooperating with each other to nip the feeder and detection belts together, at at least a part of the overlapping zone; a detecting device detecting the marks; and a recording portion recording an image on the recording medium as fed by the feeder belt, according to a result of the detection by the detecting device.