Brother MFC-9340CDW Service Manual

2-67
Confidential
■ Error code 9802
Dot counter or develop roller counter of color toner has reached the upper limit during color
density adjustment
performed from the control panel.
<User Check>
- Replace the corresponding toner cartridge.
■ Error code 9803
Density patch measurement ended unsuccessfully during color density adjustment performed
from the control panel.
Error code 9804
Error occurred with the value measured during density sensor sensitivity calibration.
<User Check>
- Check if the toner cartridges are set in the correct order of colors.
- Replace the toner cartridge.
- Replace the drum unit.
- If the belt unit has a scratch, replace it.
- If "WT Box End Soon" is displayed on the LCD and the belt unit has dirt, replace the waste
toner box.
Calibration failed
Insufficient Toner for Calibration
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Calibration failed
Press [OK], and try again
Calibration failed
Press [OK], and try again
Step Cause Remedy
1 Registration mark sensor L dirty Clean the registration mark sensor L.
2 Failure in printed measurement
pattern image
If failure occurs when printing "2D3S
YCMK_ _A" in "Function code 71", refer to
"4.3 Image Defect Troubleshooting" in this
chapter and take a measure.
3 Registration mark L PCB
harness connection failure
Check the registration mark L PCB
harness connection and reconnect it.
4 Eject sensor PCB harness
connection failure
Check the eject sensor PCB harness
connection and reconnect it.
5 Density sensor failure Replace the registration mark L PCB
ASSY.
6 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