Brother HL-3400CN Service Manual page 6

4.4 Paper Exit Unit................................................................................................................... 7-40
4.5 Front of the Printer............................................................................................................. 7-45
4.6 Rear of the Printer ............................................................................................................. 7-48
4.7 Fusing Unit ........................................................................................................................ 7-53
CHAPTER 8 TROUBLESHOOTING................................................ 8-3
1. OUTLINE OF TROUBLESHOOTING ............................................................. 8-4
2. OPERATOR CALL ......................................................................................... 8-5
2.1 Video Controller Mode ......................................................................................................... 8-5
2.2 Engine Controller Mode ....................................................................................................... 8-8
3. PAPER TRANSPORT ERROR .................................................................... 8-11
3.1 Feed Jam........................................................................................................................... 8-11
3.2 Inner Jam........................................................................................................................... 8-12
3.3 Outer Jam.......................................................................................................................... 8-12
3.4 Others................................................................................................................................ 8-12
4. SERVICE CALL............................................................................................ 8-13
4.1 Video Controller Mode ....................................................................................................... 8-14
4.2 Engine Controller Mode ..................................................................................................... 8-16
5. IMAGE FAILURE.......................................................................................... 8-45
APPENDIX 1....................................................................................A-1
APPENDIX 2....................................................................................A-6
APPENDIX 3....................................................................................A-7
APPENDIX 4....................................................................................A-8
APPENDIX 5..................................................................................A-11
APPENDIX 6..................................................................................A-14
APPENDIX 7..................................................................................A-21
APPENDIX 8..................................................................................A-23
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HL-3400CN SERVICE MANUAL
PR2000071