Brother MFC-9330CDW Service Manual

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Confidential
4.7.4 Drum error
<User Check>
- Clean the corona wire of each drum unit for all four colors.
- Replace the drum unit with a new one and reset the drum counter.
4.7.5 Drum unit replacement
(Even though drum counter is reset, "Replace Drum" warning remains.)
Step Cause Remedy
1 Dirt on the GRID electrodes of
the drum unit
Clean the GRID electrodes of the main body
and the drum unit.
(Refer to fig. 2-7 (P2-50) and fig. 2-8 (P2-51))
2 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Dirt on the GRID electrodes of
the drum unit
Clean the GRID electrodes of the main body
and the drum unit.
(Refer to fig. 2-7 (P2-50) and fig. 2-8 (P2-51))
2 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
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