7/13/2019
1.
1.1
1.2
1.3
Installing the Update Data onto the Flash ROM of the Machine ......................................A-4
2.
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
4.1
Main PCB Circuit Diagram (1/7) .....................................................................................A-50
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.13 NCU PCB Circuit Diagram (Asia) ...................................................................................A-62
4.14 NCU PCB Circuit Diagram (Oceania).............................................................................A-63
4.17 Low-voltage Power Supply PCB Circuit Diagram (100V) ...............................................A-66
4.19 High-voltage Power Supply PCB Circuit Diagram (100V) ..............................................A-68
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Brother 8840D Service Manual
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
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SERVICE MANUAL
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