147B Printer goes off during operation.• Turn Printer on, with PMA-Board CN3 cable unplugged. Printer goes off during operation?No Yes• Replace Power Supply Unit.t• Turn Printer on, with PMA-Board CN2, CN6 and PDA-Board CN5 unplugged. Printer goes offduring operation?No Yes• Short circuit occurs at PDA-Board, between THA1-5 pin and 4 pin and between HTA1-1 pin and 2 pin?No Yes• Replace PDA-Board.t• Replace PMA-Board.t• Turn Printer on, with PMA-Board CN2 and CN6 unplugged. Printer goes off during operation?No Yes• Replace Print Head. Recovered?No Yes• Endt• Replace Head Cable.t• Turn Printer on, with PMA-Board CN2 and PDA-Board CN5 unplugged. Printer goes off duringoperation?No Yes• No junction cable failure at Bail/Path-Change/LF motors, and between PMA-Boardand PHA Board?No Yes• Replace the damaged cable, if any.t• Replace PHA-Board.t• No junction cable failure at Ribbon/Space/Auto-Gap motors, and between PMA-Board and PRABoard?No Yes• Replace the damaged cable, if any.t• Replace PRA-Board.