Brother MFC-9330CDW Service Manual

2-105
Confidential
4.6 Troubleshooting of the Control Panel
4.6.1 Nothing is displayed on the LCD.
4.6.2 Unable to perform panel operation
<User Check>
- Check whether the function lock is not set.
4.6.3 Lamp malfunction
<User Check>
- Check whether sleep mode is ON.
- Using the menu, check whether lamps can be turned ON.
Step Cause Remedy
1 AC cord failure Replace the AC cord.
2 Incompatible firmware Install the latest firmware.
3 Panel PCB harness
connection failure
Check the panel PCB harness connection
and reconnect it.
4 LCD harness connection
failure
Check the LCD harness connection and
reconnect it.
5 LCD failure Replace the LCD.
6 Panel PCB failure Replace the panel PCB ASSY.
7 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
8 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Panel cover ASSY
attachment failure
Re-assemble the panel cover ASSY.
2 Panel PCB harness
connection failure
Check the panel PCB harness connection
and reconnect it.
3 Panel PCB failure Replace the panel cover ASSY.
4 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Panel PCB harness
connection failure
Check the panel PCB harness connection
and reconnect it.
2 Panel PCB failure Replace the panel cover ASSY.
3 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