Brother International MFC-P2000 Service Manual - Page 93

5. DOCUMENT FEEDING PROBLEM Caution: When a document jam occurs, pressing the Stop key will eject the jammed document. If the document is not ejected, open the scanner panel cover to remove it. Problem '1' is indicated on the LED although no documents are set. Or, '1' is not indicated on the LED although documents are set. Documents are not fed. Documents are double-fed. Possible cause Scanner sensor failure Document front/rear sensor actuators failure Main PCB failure ADF failure Scanner motor failure Document feed roller failure Main PCB failure Document thickness ADF parts failure Scanner panel cover Check Check the sensor works correctly by using the factory inspection program mode. Do the document front/rear sensor actuators work correctly? Is the problem solved after the main PCB is replaced? Does the ADF and its related parts (especially the separation rubber) work correctly? Does the scanner motor work correctly? Is the scanner motor harness connected securely? Do the document feed rollers and their related gears work correctly? Is the problem solved after the main PCB is replaced? Does the document meet the document specification (thickness, etc.)? Are more documents than the maximum number set in the ADF? Do the ADF feed parts (especially the separation rubber) work correctly? Is a document set with the panel cover opened? Result No Remedy Replace the scanner sensor PCB. No Replace the document front/rear sensor actuators. Yes Replace the main PCB. No Replace the defective ADF related parts. No Replace the scanner motor or reconnect the scanner motor harness securely. No Replace the defective document feed roller or gear. Yes Replace the main PCB. Yes Set the specified type and number of documents. No Replace the defective ADF parts. Yes Re-set the document with the panel cover closed. IV-24