Brother MFC-9340CDW Service Manual

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Confidential
4.11.3 Paper jam
■ Paper jam in the ADF cover
<User Check>
- Check whether paper thinner than 64 g/m
2
is used as document.
- Check whether paper shorter than 147.3 mm is used as document.
- Check whether the number of loaded documents exceed 35.
- Check whether the ADF cover is properly closed.
■ Paper jam in the ADF
<User Check>
- Check whether paper thinner than 64 g/m
2
is used as document.
- Check whether paper longer than 900 mm is used as document
■ Paper jam in the ADF paper eject section
Step Cause Remedy
1 Foreign object inside the area
around ADF cover
Remove foreign objects inside the area
around the ADF cover.
2 Coming off of first side
document scanning position
actuator.
Re-assemble the first side document
scanning position actuator.
3 First side document scanning
position sensor PCB harness
connection failure
Check the first side document scanning
position sensor PCB harness connection and
reconnect it.
4 Coming off of document pinch
roller.
Re-assemble the document pinch roller.
5
Document feed roller worn out Replace the document feed roller ASSY2.
6 First side document scanning
position sensor failure
Replace the first side document scanning
position sensor PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Foreign object inside ADF
Remove foreign objects inside the ADF.
2 Coming off of second side
document scanning position
actuator.
Re-assemble the second side document
scanning position actuator.
3 Coming off of second side
document hold.
Re-assemble the second side document hold.
4 Second side document
scanning position sensor PCB
harness connection failure
Check the second side document scanning
position sensor PCB harness connection and
reconnect it.
5 Second side document
scanning position sensor
failure
Replace the second side document scanning
position sensor PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Foreign object ADF paper
eject section
Remove foreign objects paper eject section
the ADF, if any.
2 Coming off of document
ejection pinch roller.
Re-assemble the document ejection pinch
roller.
3 Coming off of document
ejection film.
Replace the document ejection film.
4 Document ejection roller worn
out
Replace the ADF unit.
5 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