Brother International MFC-P2000 Service Manual - Page 84

I-12 Image distortion Possible cause Separation roller failure Document feed roller failure Scanner motor failure Main PCB failure Step 1 2 3 4 Check Do the separation roller and its related sections work correctly? Do the document feed roller and their related gears work correctly? Does the scanner motor work correctly? Is the scanner motor harness connected securely? Is the problem solved after the main PCB is replaced? Result Remedy No Replace the separation roller or its related parts. No Replace the document feed rollers or their related gears. No Replace the scanner motor, or reconnect the scanner motor harness correctly. Yes Replace the main PCB. Possible cause Laser unit LD emission failure Laser motor rotation failure Laser scanner connection failure Step Check 1 Is the laser unit secured to the frame incorrectly? Is there any play? 2 Is the laser diode or the laser scanner motor defective? 3 Is the scanner harness connected properly? Is it coming loose? Result Remedy Yes Secure the unit correctly and tighten the screws. Yes Replace the laser unit. Yes Connect the harness correctly. IV-15