MFC-8420/8820D/8820DN, DCP-8020/8025D/8025DN
SERVICE MANUAL
1-17
(4) Toner cartridge: Imprinted on the aluminum bag
3 A 3 0 J
Printed on the bar code label attached on the toner cartridge
M 3 9 A 0 0 0 1 9 9 A
(5) Laser unit: On the laser unit
2 8 0 0 1
YEAR
MONTH
DATE
FACTORY ID NO.
YEAR
MONTH
SERIAL NO.
PRODUCTION LOT NO.
LASER UNIT NO. 8: LJ7516001 Laser Unit ZL2
FACTORY ID NO.
FACTORY ID NO.
CARTRIDGE
PRODUCTION INFO.
1: Kariya Plant
2: Buji Nan Ling Factory
TONER VOLUME
PRODUCT LINE NO.
Summary of Contents for DCP-8020
Page 264: ...CHAPTER 7 MAINTENANCE MODE 7 6 Fig 7 3 l m a b c d e f g h i j k ...
Page 335: ...APPENDIX 4 CIRCUIT DIAGRAMS A 50 Appendix 4 1 Main PCB Circuit Diagram 1 6 ...
Page 337: ...APPENDIX 4 CIRCUIT DIAGRAMS A 52 Appendix 4 3 Main PCB Circuit Diagram 3 6 ...
Page 339: ...APPENDIX 4 CIRCUIT DIAGRAMS A 54 Appendix 4 5 Main PCB Circuit Diagram 5 6 ...
Page 341: ...APPENDIX 4 CIRCUIT DIAGRAMS A 56 Appendix 4 7 Driver PCB Circuit Diagram ...
Page 343: ...APPENDIX 4 CIRCUIT DIAGRAMS A 58 Appendix 4 9 Engine PCB Circuit Diagram 2 2 ...
Page 345: ...APPENDIX 4 CIRCUIT DIAGRAMS A 60 Appendix 4 11 NCU PCB Circuit Diagram Europe ...
Page 347: ...APPENDIX 4 CIRCUIT DIAGRAMS A 62 Appendix 4 13 NCU PCB Circuit Diagram Oceania ...