Service manual

MFC-8420/8820D/8820DN, DCP-8020/8025D/8025DN
SERVICE MANUAL
vii
3.11 Fine Adjustment of Scan Start/End Positions (Maintenance mode 54)..........................7-18
3.12 CCD Scanner Area Setting (Maintenance mode 55) .....................................................7-20
3.13 EEPROM Customizing (Maintenance mode 74) ............................................................7-21
3.14 Printing out of Machine Log Information (Maintenance mode 77)..................................7-22
3.15 Display of the Equipment’s Log Information (Maintenance mode 80)............................7-24
3.16 Machine Error Code Indication (Maintenance mode 82)................................................7-26
3.17 Output of Transmission Log to the Telephone Line (Maintenance mode 87) ................7-26
3.18 Cancellation of the Memory Security Mode (Not applicable to the Japanese version) .7-27
APPENDIX 1 EEPROM CUSTOMIZING CODES ...................................A-1
APPENDIX 2 INSTALLING THE UPDATE DATA....................................A-3
1. INSTALLING THE UPDATE DATA TO THE MACHINE.......................................... A-3
1.1 Connecting the Machine to Your PC ................................................................................A-3
1.2 Setting up the Machine and Your PC ...............................................................................A-3
1.3 Installing the Update Data onto the Flash ROM of the Machine ......................................A-4
2. SETTING ID CODES TO MACHINES.....................................................................A-5
2.1 Connecting the Machine to Your PC ................................................................................A-5
2.2 Setting Up the Machine and Your PC...............................................................................A-5
2.3 Running the Setup Utility ..................................................................................................A-6
APPENDIX 3 FIRMWARE SWITCHS (WSW) .........................................A-7
APPENDIX 4 CIRCUIT DIAGRAMS
4.1 Main PCB Circuit Diagram (1/6) .....................................................................................A-50
4.2 Main PCB Circuit Diagram (2/6) .....................................................................................A-51
4.3 Main PCB Circuit Diagram (3/6) .....................................................................................A-52
4.4 Main PCB Circuit Diagram (4/6) .....................................................................................A-53
4.5 Main PCB Circuit Diagram (5/6) .....................................................................................A-54
4.6 Main PCB Circuit Diagram (6/6) .....................................................................................A-55
4.7 Driver PCB Circuit Diagram ...........................................................................................A-56
4.8 Engine PCB Circuit Diagram (1/2)..................................................................................A-57
4.9 Engine PCB Circuit Diagram (2/2)..................................................................................A-58
4.10 NCU PCB Circuit Diagram (U.S.A.)................................................................................A-59
4.11 NCU PCB Circuit Diagram (Europe) ..............................................................................A-60
4.12 NCU PCB Circuit Diagram (Asia) ...................................................................................A-61
4.13 NCU PCB Circuit Diagram (Oceania).............................................................................A-62
4.14 Control Panel PCB Circuit Diagram................................................................................A-63
4.15 Low-voltage Power Supply PCB Circuit Diagram (200V) ...............................................A-64
4.16 Low-voltage Power Supply PCB Circuit Diagram (100V) ...............................................A-65
4.17 High-voltage Power Supply PCB Circuit Diagram (200V) ..............................................A-66
4.18 High-voltage Power Supply PCB Circuit Diagram (100V) ..............................................A-67