Hv Power Supply Pu - Brother MFC-9420CN Service Manual

5.1.50 HV Power Supply PU

(1) Remove the setscrew (ST3x6, 3 pieces) of the controller box.
(2) Remove the controller box from the frame.
(3) Remove the flat cable from the HV power supply PU.
(4) Remove the setscrew (ST3x6, 4 pieces and BT3x8, 7 pieces) of the HV power supply PU.
(Since 2 kinds of the screw are used, confirm the screw before using.)
(5) Remove the HV power supply PU from the frame.
CAUTION
This is the replacement work of the unit that generates high voltage. Therefore this work
should be done by the qualified personnel having the sound knowledge on the product safety.
ST3x6
HV power supply PU
BT3x8
ST3x6
Frame
Fig. 5-97
5 -6 0
Controller box
ST3x6
Confidential