... inside diameter paper roll, paper roll holder can be used with an external 8.4-inch diameter paper roll ... / bluetooth module / external roll holder / inch-roll core / stand-alone operation Keyboard / scanner, so that the TTP-247 series barcode ... , 5, 6, 7 ips can be used;2, 3 ips can be used off the paper pattern 2, 3, 4 ... , 5, ips can be used;2 ips paper can be used in off mode Maximum print width 108 ...