Repair Analysis ProceduresPhaser® 3500 Laser Printer Service Manual2-12Jam At Exit (Jam 2)Jam At Rear (Duplex Jam 1)3. 1. Use service diagnostics to test the exitsensor.2. Does the sensor operate correctly?Go to Step 4. Replace the exitsensor.4. 1. Replace the Fuser Assembly andretest.2. Did this correct the problem?Complete. Replace the SMPS.Step Action and Questions Yes No1. 1. Is the Exit Sensor Actuator damaged orbinding?Repair or replace theactuator and/orsensor.Go to Step 2.2. 1. Inspect the Exit Roller Assembly.2. Use service diagnostics to test the maindrive to exit.3. Is the exit roller damaged or binding?Replace the ExitRoller Assembly.Go to Step 3.3. 1. Visually inspect the Fuser.2. Is there paper wrapped around theFuser rollers?Remove obstructionand clean Fuserrollers.Go to Step 4.4. 1. Is the Fuser Assembly operational.2. Do the Fuser gears rotates when theMain motor is on?Go to Step 5. Replace the FuserAssembly.5. 1. Use the embedded diagnostics to checkthe Exit Sensor.2. Is the sensor operational?Replace Main Board. Replace SMPS.Step Actions and Questions Yes No1. 1. Does paper jam after reversal butbefore reaching duplex sensor?Go to Step 2. Go to Step 3.2. 1. Replace Transport Roller ShaftAssembly.2. Does problem recur?Replace DuplexAssembly.Complete3. 1. Use service diagnostics to check theoperation of the Duplex Sensor.2. Does the sensor operate correctly?Go to Step 4. Replace the DuplexSensor and/orActuator.Step Actions and Questions Yes No