Oki Data CONFIDENTIAL42113931TH Rev.1 100 /Pin No.Signal12POWSAVE-P80VL9+5V10+5V11ALM-P70VL60VP50VP40VP2+40V3+40V1+40VUSBCENT CSF1193618EXIF 16POWLFMOT1 41 152 16130PECEHD1 MAINFANOP1 11236722723KA156.5 Troubleshooting flow chart1 Power is not supplied.Is the AC cable connected correctly?Yes NoConnect the AC cable correctly.Are the voltage setting pins on the power supply unit configured correctly?No Yes1 to next stepDoes the device operate when restoring power supply after turning the power switchoff and changing the settings to ones suited to the AC voltage used?No YesEnd1 Remove CN101 on power supply unit.Measure for any short circuits between + 5V, + 40V, 0V in POW of the Main ControlPCB.Any short circuit?No YesReplace the Main Control PCB.Replace the power supply unit.
