02/20002-42 DocuPrint N2125RAP 48 , RAP 49Initial IssueStatus Indicator Repair Analysis ProceduresRAP 48 Exit SensorProcedureOpen the printer Rear Cover. Remove the Duplex Module, if installed. Open the Fuser AccessCover and check the Exit Sensor Actuator. Check that the actuator moves smoothly and is notbroken. Make sure the actuator flag blocks the Exit Sensor when the access cover is closed.The actuator is in good condition and moves smoothly.Y NReplace the Fuser Assembly (REP 6.2).Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press Enter [4].Open the rear cover and open the Fuser Access Cover. Use a folded piece of paper to blockand unblock the Fuser Exit Sensor. The number on the LCD increments each time youblock and unblock the sensor.Y NSwitch the printer power off. Remove the Left Interface Cover (REP 1.1), Left Cover (REP1.2), and the Left Plate Assembly (REP 1.11). Disconnect P/J27 from the Print EngineController PWB. Switch the printer power on. Check the voltage between P/J27 pin 3 andframe ground. The voltage is 3.3VDC.Y NCheck the voltage between P/J28 pin 10 and frame ground. The voltage is 3.3VDC.Y NReplace the LVPS (REP 9.5).Replace the Print Engine Controller PWB (REP 9.3).Switch the printer power off. Reconnect P/J27 to the Print Engine Controller PWB. Switchthe printer power on. Measure the voltage between P/J27 pin 5 and frame ground as youblock and unblock the Fuser Exit Sensor. The voltage is 3.3VDC when the Fuser ExitSensor is blocked and 0.0VDC when unblocked.Y NReplace the Fuser Assembly (REP 6.2).Replace the Print Engine Controller PWB (REP 9.3).Replace the Print Engine Controller PWB (REP 9.3).RAP 49 Exit MotorProcedureSwitch the printer power off. Open the Rear Cover and manually rotate the Exit Chute Assem-bly. The Exit Chute rotates without binding.Y NRemove the Exit Chute Assembly (REP 6.4). Repair or replace components as necessary(PL 7.1).Enter diagnostics and select Component Test. Scroll to Exit Motor Fwd Operation. Open theRear Cover and cheat the Rear Cover Interlock. Press the Enter Key. The Exit Motor rotates.Y NSwitch the printer power off. Remove the Left Interface Cover (REP 1.1), Left Cover (REP1.2), and the Left Plate Assembly (REP 1.11). Disconnect P/J32 from the Print EngineController PWB. On the disconnected plug, check the resistance between pins 1 and 2,pins 1 and 3, pins 1 and 4, and between pins 1 and 5. All readings are 25 to 35 ohms.Y NReplace the Exit Motor (REP 6.5).Replace the Print Engine Controller PWB (REP 9.3).Press the [0] key to stop the test. Scroll to Exit Motor Rev H and press Enter. The Exit Motorruns in reverse at high speed.Y NSwitch the printer power off. Remove the Left Interface Cover (REP 1.1), Left Cover (REP1.2), and the Left Plate Assembly (REP 1.11). Disconnect P/J32 from the Print EngineController PWB. On the disconnected plug, check the resistance between pins 1 and 2,pins 1 and 3, pins 1 and 4, and between pins 1 and 5. All readings are 25 to 35 ohms.Y NReplace the Exit Motor (REP 6.5).Replace the Print Engine Controller PWB (REP 9.3).Press the [0] key to stop the test. Scroll to Exit Motor Rev L and press Enter. The Exit Motorruns in reverse at low speed.Y NSwitch the printer power off. Remove the Left Interface Cover (REP 1.1), Left Cover (REP1.2), and the Left Plate Assembly (REP 1.11). Disconnect P/J32 from the Print EngineController PWB. On the disconnected plug, check the resistance between pins 1 and 2,pins 1 and 3, pins 1 and 4, and between pins 1 and 5. All readings are 25 to 35 ohms.Y NReplace the Exit Motor (REP 6.5).Replace the Print Engine Controller PWB (REP 9.3).Replace the Print Engine Controller PWB (REP 9.3).
