40930701TH DRAFT Vesion 234 /4.3.2 Troubleshooting Flow• ( JAM error )Paper Input Jam• Does paper jam at the inlet when the power is turned on?• YES Is the paper located above the inlet sensor lever?• YES Remove the paper.t• NO Is the inlet sensor lever operating normally?• NO Replace the inlet sensor lever.t• YES Clean the inlet sensor 1 on the power supply unit (High Voltage) orreplace the power supply unit (High Voltage).(See Figure 2.3 Sensor Layout Diagram)t• NO When the paper is fed in, does the paper input jam occur?• YES Is the paper being fed to above the inlet sensor lever?• YES Is the inlet sensor lever operating normally?• NO Replace the inlet sensor lever.t • YES Clean the inlet sensor 1 on the power supply unit (HighVoltage) or replace the power supply unit (High Voltage).(See Figure 2.3 Sensor Layout Diagram)t• NO Replace the feed roller, roller-A or roller-B.t• NO Are the feed roller, roller-A and roller-B rotating?• YES Set the paper properly.t• NO Is the belt torn?• YES Replace belt.t• NO Is the pulse motor turning?• YES Replace planet gear.t• NO Is the connector cable being connected properly?• NO Connect the connector cable properly.t• YES Check the coil resistance (approx. 32Ω) of the stepping motor.Is it normal?• NO Replace the stepping motor.t• YES Replace the AOLE-PCB.
