Xerox 3450B Service Manual - Page 77

Jam At Top (Jam 1) Paper jams in front of or just inside the Fuser Assembly. Troubleshooting References Applicable Parts Exit Sensor Actuator Registration Sensor Actuator Fuser Assembly Power Supply Board Procedure Wiring and Plug/Jack Map References Step 1 2 3 4 5 Action and Questions Yes No Is the Exit Sensor Actuator damaged or binding? Repair or replace the actuator and/or sensor. Go to Step 2. Is the Registration Sensor Actuator damaged or binding? Repair or replace the actuator and/or sensor. Go to Step 3 Is paper wrapped around the Fuser rollers or blocking Fuser exit? Remove paper Go to Step 4. and clean Fuser rollers. Is Fuser operational, the Fuser Rollers turn freely when the motor is on? Go to Step 5. Replace Fuser Assembly. Use the embedded diagnostics to check the Fuser Exit Sensor. Is the sensor operational? Replace Power Replace Fuser Supply Board. Exit Sensor. 4-10 Phaser 3450 Laser Printer Service Manual