40496501TH Draft Version 150E Printer operates normally but characters are not printed.• Self Diagnosis Printing conducted normally?Yes No• Replace PMA-Board.t• The interface cable connected properly?Yes No• Connect the cable properly.t• Replace the interface cable. Recovered?No Yes• Endt• The interface is parallel or serial?Parallel Serial• The serial interface setting adjusted for the system?Yes No• Set it properly.t• Check -12V output at PMA-Board.Slide Control Block toward outside without unplugging the cables. (Stop sliding whenthe cables becomes straight. Do not extend the cables by force.)Check the voltage between CN5-1 pin and CN5-8 pin. Is -12V output?Yes No• Check conduction at the 8 pin on the junction cable between PMA-BoardCN5 and Power Supply Unit Connector DCOUT2.• Normal conduction?Yes No• Replace the cable.t• Replace Power Supply Unit.t• The cable between PMA-Board CN6 and PHA-Board CN1 connected properly?Yes No• Connect the cable properly.t• Replace the junction cable between PMA-Board CN6 and PHA-Board CN1. Recovered?
