first open the right side cover and check the main board for a short circuit. if find any short circuit, we need the BGA Machine for change the IC controller. but if doesn't have short circuit better check fuse and component on USB circuit that which one is open also OHM check USB port on main board four pins are connect. if an open line on USB port same this printer we going to exchange USB port.
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Repair Printer Hp M1132 USB
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