Brother MFC-9330CDW Service Manual

2-92
Confidential
■ Image distortion
■ All one color
<User Check>
- Clean the corona wire of each drum unit for all four colors.
- Replace the drum unit with a new one.
<User Check>
- Replace the belt unit with a new one.
Step Cause Remedy
1 LED ASSY installation failure Install the LED ASSY properly and tighten
screws securely.
2 LED ASSY failure Replace the LED ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Dirt on the GRID electrodes of
the main body or drum unit
Clean the GRID electrodes of the main body
or drum unit. (Refer to fig. 2-7 (P2-50) and
fig. 2-8 (P2-51))
2 Flat cable connection failure
of the LED ASSY
Reconnect the flat cable of LED ASSY
correctly.
3 LED flat cable failure Replace the LED flat cable.
4 LED control PCB failure Replace the LED control PCB ASSY.
5 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
6 LED ASSY failure Replace the LED ASSY.
7 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