Brother MFC-9340CDW Service Manual

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Confidential
■ Error code 0A02
The main fan failure was detected.
■ Error code 0B01
Error in the high-voltage power supply PCB ASSY while the machine is in operation.
Error code 0B02
Error in the high-voltage power supply PCB ASSY in the ready state.
Print Unable 0A
Turn the power off and then back on again.
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
between the low-voltage power
supply PCB and main PCB
Check the harness connection between
the low-voltage power supply PCB and
main PCB, and reconnect it.
4 Main fan failure Replace the main fan.
5 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
6 High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Print Unable 0B
Turn the power off and then back on again
Print Unable 0B
Turn the power off and then back on again
Step Cause Remedy
1 Harness connection failure of the
high-voltage power supply PCB
Check the high-voltage power supply PCB
harness connection and reconnect it.
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-9340CDW Specifications

Printing Specifications

print speed (black)	up to 23 ppm
print speed (color)	up to 23 ppm
print resolution	up to 600 x 2400 dpi
automatic duplex printing	Yes

Copying Specifications

copy speed (black)	up to 23 cpm
copy speed (color)	up to 23 cpm
copy resolution	600 x 600 dpi
copy reduction/enlargement	25% - 400% in 1% increments

Scanning Specifications

scanner type	Color Flatbed with ADF
document glass size	8.5” x 11.7”
scan resolution (optical)	1200 x 2400 dpi
scan resolution (interpolated)	19200 x 19200 dpi

Fax Specifications

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

Memory and Interfaces

memory (standard/max)	192MB / 192MB
standard interfaces	Wireless 802.11b/g/n, Ethernet, Hi-Speed USB 2.0
usb direct interface	Yes

Supplies and Accessories

black toner cartridge yield	2, 500 pages
cyan toner cartridge yield (standard)	1, 400 pages
magenta toner cartridge yield (standard)	1, 400 pages
yellow toner cartridge yield (standard)	1, 400 pages
cyan toner cartridge yield (high capacity)	2, 200 pages
magenta toner cartridge yield (high capacity)	2, 200 pages
yellow toner cartridge yield (high capacity)	2, 200 pages
drum unit yield	15, 000 pages
belt unit yield	50, 000 pages
waste toner box yield	50, 000 pages
multi-purpose paper	Letter, 500 sheets