Main Pcb - Brother mfc8440 Service Manual
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Also See for mfc8440:
- User manual (426 pages) ,
- Software user's manual (183 pages) ,
- Quick setup manual (52 pages)
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3.22
Main PCB
(1) Disconnect the LD harness 5P.
NOTE:
• After disconnecting flat cable(s), check that each cable is not damaged at its end or
short-circuited.
• When connecting flat cable(s), do not insert them at an angle. After insertion, check
that the cables are not at an angle.
(2) Disconnect the four connectors.
Thermistor connector
Main PCB ASSY
LVPS connector
Engine connector
LVPS connector
LD harness 5P
Fig. 4-116
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
4-65
SERVICE MANUAL
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Troubleshooting
