Brother MP-21C Service Manual page 67

4.6 Main PCB ASSY, Power Supply PCB ASSY
Note: After replacing Main PCB ASSY, adjustment is need by using the
Service software tool.
<Disassembly>
(1) Remove the Power supply FFC cable (which is connecting the Main PCB ASSY
and Power supply PCB ASSY) from the connector on the Main PCB ASSY.
(2) Remove the Main PCB ASSY from the Bottom cover by releasing the four hooks.
(3) Release the lock of the Head FFC cable connector (which is connecting the Main
PCB ASSY and Head PCB ASSY), then remove it from the connector on the Main
PCB ASSY.
Head PCB ASSY
Main PCB ASSY
Head FFC
Hook
Head FFC
Fig. 3.18
III-14
Power supply PCB ASSY
Hook
Hook
Bottom cover
Power supply FFC
Hook