Brother MFC-9420CN Service Manual page 194

(4) Remove the waste toner pack PU.
(5) Remove the setscrew (BT4x10, 2pieces) of right side cover PU.
(6) Remove the right side cover PU from the machine.
(7) Remove the setscrew (BT4x20, 1piece and collar) from the support band.
(8) Disconnect the connector of paper sensor.
(9) Close the back cover to remove the setscrew (ST4x6, 2pieces).
(10) Open the back cover to remove the support plate.
(11) Remove the back cover.
Support band
Waste toner pack PU
Fig. 6-23
Collar
BT4x20
Fig. 6-24
6 -1 8
Back cover
Hinge shaft
Connector of
paper sensor
Right-side base ASSY
Back cover
Right side cover PU
BT4x10
Support plate
ST4x6
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