Brother MFC-9340CDW Service Manual

2-86
Confidential
4.2.8 Paper jam
■ Paper jam at paper feed section
<User Check>
- Turn the orientation of the papers loaded in the paper tray by 180°.
- Shuffle the papers loaded in the paper tray and set them in the tray again.
- Check if the thickness of the paper is 60 to 105 g/m
2
.
(60 to 163 g/m
2
for manual feed slot.)
- Check if a label sticks to a roller or the paper transport section.
■ Paper jam at center of transport section
<User Check>
- Turn the orientation of the papers loaded in the paper tray by 180°.
- Shuffle the papers loaded in the paper tray and set them in the tray again.
- Check if the thickness of the paper is 60 to 105 g/m
2
.
(60 to 163 g/m
2
for manual feed slot.)
- Check that the belt unit is properly set.
- Check if a label sticks to a roller or the paper transport section.
Step Cause Remedy
1 Foreign object at the front of the
machine
Remove foreign object. Check if a label
sticks to the side or underside of a part.
2 Paper dust cleaning roller
installation failure
Re-assemble the paper dust cleaning
roller.
3 Registration front actuator that
has come off or that has been
caught
Re-assemble the registration front
actuator.
4 Registration front/rear/manual
feed sensor PCB harness
connection failure
Check the registration front/rear/manual
feed sensor PCB harness connection and
reconnect it.
5 Main motor failure Replace the process drive unit.
6 Feed roller failure Replace the paper feed unit.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Foreign object inside machine Remove foreign object. Check if a label
sticks to the side or underside of a part.
2 Eject actuator that has come off
or that has been caught
Re-assemble the eject actuator.
3 Fuser cover installation failure Re-assemble the fuser cover.
4 Eject sensor PCB harness
connection failure
Check the eject sensor PCB harness
connection and reconnect it.
5 Fuser cover failure Replace the fuser cover.
6 Eject sensor failure Replace the eject sensor PCB ASSY.
7 Fuser unit failure Replace the fuser unit.
8 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