3-66 Phaser 7400 Color Printer Options Service ManualFinisher Punch Dust Sensor FailureAn error was detected in the Punch Waste Sensor.Applicable Status Code:Code F139: Punch Waste Sensor FailureInitial Actions:■ Cycle the printer's power.■ If the problem persists follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Punch Box Sensor Emitter Board■ Punch Box Sensor Receiver Board■ Options Map 2 Punch Controller Board■ Options Punch Controller to Sensor and MotorsTroubleshooting Procedure TableStep Actions and Questions Yes No1 Test the Punch Box Sensor.Run the Service Diagnostics Punch BoxSet Sensor test.Does the sensor state change when theemitter is blocked?Go to Step 6. Go to Step 2.2 Check the Punch Box Sensor Harnessconnection.Is P/J1005 connected to the Punch ControlBoard?Are P/J2005 and P/J2006 connected to theEmitter and Receiver boards?Go to Step 3. Connect theharness.3 Check the Punch Box Sensor Harnesscontinuity.Is the harness conductive?Go to Step 4. Replace theharness.4 Check the Punch Box Sensor EmitterBoard.Is the LED illuminated?Go to Step 5. Replace thePunch BoxEmitter Board.5 Check for +5 V to the Punch Box Sensor.Disconnect P/J2006.Is there +5 V at J2006-1 <=> J2006-2?Replace thePunch Box SensorReceiver Board(see Book 1).Replace thePunch ControlBoard(page 5-50).
