MFC-8220
SERVICE MANUAL
xi
DEFINITIONS OF WARNINGS, CAUTIONS AND NOTES
The following conventions are used in this service manual:
WARNING
Indicates warnings that must be observed to prevent possible personal injury.
!
CAUTION:
Indicates cautions that must be observed to service the printer properly or prevent damage
to the printer.
NOTE:
Indicates notes and useful tips to remember when servicing the printer.
**Listed below are the various kinds of “WARNING” messages included in this manual.
WARNING
Always turn off the power switch and unplug the power cord from the power outlet
before accessing any parts inside the printer.
WARNING
Some parts inside the printer are extremely hot immediately after the printer is used.
When opening the front cover or back cover to access any parts inside the printer,
never touch the shaded parts shown in the following figures.
WARNING
If you analyze malfunctions with the power plug inserted into the power outlet,
special caution should be exercised even if the power switch is OFF because it is a
single pole switch.
Summary of Contents for MFC-8220
Page 60: ...MFC 8220 SERVICE MANUAL 3 5 1 3 4 ROM Fig 3 6 ...
Page 244: ...CHAPTER 7 MAINTENANCE MODE 7 6 Fig 7 2 a b c d e f g h i j ...
Page 312: ...APPENDIX 4 CIRCUIT DIAGRAM A 48 Appendix 4 1 Main PCB Circuit Diagram 1 6 ...
Page 313: ...MFC 8220 SERVICE MANUAL A 49 Appendix 4 2 Main PCB Circuit Diagram 2 6 ...
Page 314: ...APPENDIX 4 CIRCUIT DIAGRAM A 50 Appendix 4 3 Main PCB Circuit Diagram 3 6 ...
Page 315: ...MFC 8220 SERVICE MANUAL A 51 Appendix 4 4 Main PCB Circuit Diagram 4 6 ...
Page 316: ...APPENDIX 4 CIRCUIT DIAGRAM A 52 Appendix 4 5 Main PCB Circuit Diagram 5 6 ...
Page 317: ...MFC 8220 SERVICE MANUAL A 53 Appendix 4 6 Main PCB Circuit Diagram 6 6 ...
Page 318: ...APPENDIX 4 CIRCUIT DIAGRAM A 54 Appendix 4 7 Engine PCB Circuit Diagram 1 2 ...
Page 319: ...MFC 8220 SERVICE MANUAL A 55 Appendix 4 8 Engine PCB Circuit Diagram 2 2 ...
Page 320: ...APPENDIX 4 CIRCUIT DIAGRAM A 56 Appendix 4 9 NCU PCB Circuit Diagram Europe ...
Page 321: ...MFC 8220 SERVICE MANUAL A 57 Appendix 4 10 NCU PCB Circuit Diagram U S A ...
Page 322: ...APPENDIX 4 CIRCUIT DIAGRAM A 58 Appendix 4 11 Control Panel PCB Circuit Diagram ...
Page 323: ...MFC 8220 SERVICE MANUAL A 59 Appendix 4 12 Low voltage Power Supply PCB Circuit Diagram ...
Page 325: ...MFC 8220 SERVICE MANUAL A 61 Appendix 4 14 High voltage Power Supply PCB Circuit Diagram 200V ...
Page 326: ...APPENDIX 4 CIRCUIT DIAGRAM A 62 Appendix 4 15 Back Light PCB Circuit Diagram ...
Page 328: ...February 04 SM FAX026 6 8X5913 Printed in Japan ...