ROLL PAPER TYPE RECORDING UNIT

摘要

This invention relates to a printer where its structure is simple, its positioning accuracy is high and colour prints of excellent picture quality can be obtained. A recording unit (printer) consisting of a platen roller, a roll type recording paper which is pulled and fed on the said platen roller and a recording head, is characterized in that it includes a recording paper pull-feed mechanism which comprises a clamp opening/closing unit for catching the end of the roll type recording paper and for making a linear reciprocation movement for designated cycles at each recording in accordance with the length of the main run direction being recorded at one time, and also a roll paper drum that can be turned in reverse direction for pulling back the recording paper when the roll type recording paper reciprocates during the designated cycles.