3-128 Phaser 7400 Color Printer Service ManualFinisher Staple Motor FailureAn error was detected in the Staple Motor.Applicable Status Code:Code F110: Staple MotorInitial Actions:■ Cycle the printer's power.■ If the problem persists follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Finisher Staple Motor■ Finisher Control Board■ Options Map 1 Finisher Controller Board■ Options Finisher Controller to SwitchesTroubleshooting Procedure TableStep Actions and Questions Yes No1 Test these sensors.■ Staple Clock Sensor■ Fold Home Position SensorRun the appropriate Service Diagnosticssensor test.Do the sensors operate?Go to Step 2. Replace thesensor. If the errorpersists, go toStep 2.2 Test the Staple Motor.1. Close the Interlock Switches for test.2. Run the Service Diagnostics StapleMotor tests.Does the motor operate?Replace theFinisher ControlBoard. If the errorpersists, go toStep 4.Go to Step 3.3 Check for +24 V to the Staple Motor.Disconnect CN71.Is there +24 V across CN71-1 and -2 <=>ground?Replace the StapleMotor.Replace theharness. If theerror persists, goto Step 4.4 Check all pins of the Inverter InterfaceCable for continuity.Disconnect CN1 and CN2 from the FinisherControl Board and the opposite end fromthe Inverter.Is the cable conductive?Replace the InverterPower Supply.Replace the cable.