To provide a conveyer system capable of speeding up and saving a cost in replacing paper roll.

This conveyer system comprises a conveyer 1 driven by a driving source 41, plural carriers 7 travelling on the conveyer 1, couplers 15 provided on the carriers 7 and capable of switching a driving power transmitting state from the conveyer 1, and plural turntables 3 provided at a middle point or an end portion of the conveyer 1 so as to change a traveling direction of the carriers 7. By actuating the couplers 15 at arbitrary position on the conveyer 1, traveling and stopping of the plural carriers 7 and changing direction by the turntables 3 are conducted simultaneously or in parallel.