Brother MFC-9340CDW Service Manual

2-65
Confidential
■ Error code 9302
For printing by feeding paper from the paper tray, the paper feed sensor detected that no
paper was in the paper tray.
<User Check>
- Load paper to the paper tray.
■ Error code 9307
Upon receiving a fax or printing a list or report, the machine detected that paper tray empty of
paper.
<User Check>
- Load paper to the paper tray.
No Paper
Reload paper in Tray.
Step Cause Remedy
1 Foreign object in pick-up roller Remove foreign object.
2 Paper feed sensor PCB harness
connection failure
Check the paper feed sensor PCB
harness connection and reconnect it.
3 Paper feed actuator catching on
some position
Re-assemble the paper feed actuator.
4 Paper feed sensor failure Replace the paper feed unit.
5 Gear failure inside of process
drive unit
Replace the process drive unit.
6 Main PCB failure Replace the main PCB ASSY.
Size Mismatch
Reload paper in Tray.
Step Cause Remedy
1 Registration front/rear/manual
feed sensor PCB harness
connection failure
Check the registration front/rear/manual
feed sensor PCB harness connection and
reconnect it.
2 Registration rear actuator
catching on some position
Re-assemble the registration rear
actuator.
3 Registration front sensor failure Replace the registration front/rear/manual
feed sensor PCB ASSY.
4 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