Brother MFC-9340CDW Service Manual

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Confidential
■ Error code 1E01
Access is unavailable between the main PCB and LED control PCB.
Error code 1E02
Read/Write is unavailable between the main PCB and LED control PCB.
■ Error code 3801
Error occurred in the external temperature/humidity sensor.
■ Error code 3A00
Error occurred in the communication between the controller in the main PCB and engine.
Print Unable 1E
Turn the power off and then back on again.
Print Unable 1E
Turn the power off and then back on again.
Step Cause Remedy
1 LED control PCB harness
connection failure
Check the LED control PCB harness
connection and reconnect it.
2 LED control PCB failure Replace the LED control PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Print Unable 38
Turn the power off and then back on again.
Step Cause Remedy
1 External temperature/humidity
sensor harness connection
failure
Check the external temperature/humidity
sensor harness connection and reconnect
it.
2 External temperature/humidity
sensor failure
Replace the external temperature/
humidity sensor PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Print Unable 3A
Turn the power off and then back on again.
Step Cause Remedy
1 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