Brother International HL-3400CN Service Manual - Page 237
voltage, power, supply, Remove, screws, ST3x6, remove, shield, cover, assembly., Disconnect,
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HL-3400CN SERVICE MANUAL 4.3.2 High-voltage power supply unit ( (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 case 'A' Shield cover 'A' 1 I V Fig. 7-46 (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 1 EZ0 ICU r" egpl 1 )1J Fig. 7-47 7-33
HL-3400CN
SERVICE
MANUAL
4.3.2
High
-voltage
power
supply
unit
(
(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
case
'A'
1
Shield
cover
'A'
I
V
Fig.
7-46
(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
EZ0
ICU
r"
egpl
)1J
Fig.
7-47
1
1
7-33