Brother MFC-9330CDW Service Manual

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Confidential
4.14 Others Problems
4.14.1 The machine is not turned ON
<User Check>
- Properly insert the AC cord.
4.14.2 Main fan not rotate
4.14.3 Main motor failure
Step Cause Remedy
1 Harness connection failure of
the panel PCB
Check the panel PCB harness connection
and reconnect it.
2 Harness connection failure of
the LCD
Check the LCD harness connection and
reconnect it.
3 Harness connection failure of
the low-voltage power supply
PCB
Check the low-voltage power supply PCB
harness connection and reconnect it.
4 Panel PCB failure Replace the Panel PCB ASSY.
5 LCD failure Replace the LCD.
6 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Harness connection failure of
the main fan
Check the harness connection of the main
fan and reconnect it.
2 Harness connection failure of
the high-voltage power supply
PCB
Check the high-voltage power supply PCB
harness connection and reconnect it.
3 Harness connection failure of
the low-voltage power supply
PCB
Check the harness connection of the
low-voltage power supply PCB and
reconnect it.
4 Main fan failure Replace the main fan.
5 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
6 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Flat cable connection failure
of the main motor
Check the flat cable connection of the main
motor and reconnect it.
2 Main motor failure Replace the process drive unit.
3 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.

Brother MFC-9330CDW Specifications

Print Specifications

print speed black	up to 23 ppm
print speed color	up to 23 ppm
print resolution	up to 600 x 2400 dpi

Copy Specifications

copy speed black	up to 23 cpm
copy speed color	up to 23 cpm
copy resolution	600 x 600 dpi

Scan Specifications

scan resolution optical	1200 x 2400 dpi
scan resolution interpolated	19200 x 19200 dpi
document glass size	8.5” x 11.7”

Fax Specifications

fax modem speed	33.6k bps
fax page memory	up to 500 pages
speed dial locations	200

Paper Handling

auto document feeder capacity	up to 35 pages
paper size maximum	up to 8.5” x 14” (legal)
standard paper capacity	250 sheets

Power and Energy

deep sleep mode power consumption	<2W
automatic duplex printing	Yes
energy star qualified	Yes