Brother MFC-7290 - Main PCB ASSY

3-67
Confidential
9.36 Main PCB ASSY
(1) Turn the machine upside down, and put it as shown in the figure below.
(2) Disconnect the two flat cables and the five connectors.
(3) Remove the three taptite cup S M3x6 SR screws.
(4) Release the hook to remove the main PCB ASSY and the main PCB sheet.
Fig. 3-57
Harness routing : Refer to "1. Registration front/rear sensor PCB ASSY", "4. T1 clutch ASSY,
Registration clutch ASSY", "5. Eject sensor PCB ASSY", "6. Main motor"
and "9. Low voltage power supply PCB ASSY".
Hook
Main PCB sheet
Taptite cup S
M3x6 SR
Taptite cup S
M3x6 SR
Main PCB ASSY
Connector
(Internal temperature
thermistor)
Flat cable
(Main motor)
Connector
(Low voltage
power supply
harness ASSY)
Flat cable
(Eject sensor PCB ASSY)
Main PCB ASSY
Connector
(T1 clutch ASSY)
Connector
(Registration clutch
ASSY)