Patent ID: 7793696

Claim:
A system for printing tape with a roll sheet holder holding a long roll sheet, and arranged to be removably mounted and used in a tape printer, which comprises: an insertion port into which the long roll sheet is inserted; a feeding device that unwinds and feeds the long roll sheet; a printing device that prints on the roll sheet fed with the feeding device; and a cutting device that cuts the printed roll sheet printed with the printing device, the roll sheet holder comprising: a holder shaft that rotatably holds the roll sheet wound on a sheet core; a guide member that is in contact with one of end faces of the roll sheet; and a positioning member that is in contact with other one of the end faces of the roll sheet, wherein the guide member includes an extended portion part of which extends in a direction of the insertion port by a predetermined length from maximum outer diameter of the roll sheet, wherein the roll sheet comprises: an insertion part into which a stick-type member is insertable, formed with a predetermined pitch in a longitudinal direction of the roll sheet; and an encoder mark formed on a back side with a predetermined pitch to be placed between the insertion parts, wherein the tape printer further comprises: a mark detection sensor that detects the encoder mark; and a control unit that drives and controls the feeding device and the printing device based on information detected by the mark detection sensor, and wherein the predetermined pitch is equal to a length between cutting lines along which the printed roll sheet is cut.