AC power adapter. Brother, No Substitute. for use with: GL-100 PT-20, PT-25, PT-300, PT-310, PT-320, PT-340, PT-520, PT-540, PT-580C. PT-1000, PT-1100, PT-1100QL, PT1100SB, PT-1130, PT-1160, PT-1170, PT-11Q, PT-1200, PT-1280, PT-1230PC, PT-1700, PT-1750, PT-1830. ST-1150, ST-1150DX.