High-Voltage Power Supply Unit (High Voltage Unit 3) - Brother HL-3450CN Service Manual

4.3.3

High-voltage power supply unit (High voltage unit 3)

(1) Remove the set screws ST3x6 (2 pcs.) to remove the shield cover 'A'.
(2) Remove the set screws ST3x6 (4 pcs.) to remove the shield case 'A' assembly.
Shield cover 'A'
(4) Disconnect the harnesses (2 pcs.) and high-voltage connectors (2 pcs.) connected to the
high-voltage power supply unit.
(5) Remove the set screws ST3x6 (1 pc.) and BT3x8 (8 pcs.) from the high-voltage power
supply unit.
(6) Remove the high-voltage power supply unit.
High-voltage
power supply unit
Shield case 'A'
Fig. 7-49
Fig. 7-50
7-35
HL-3450CN SERVICE MANUAL