Brother MFC-9340CDW Service Manual

Confidential
8.67 Main Fan............................................................................................................... 3-156
8.68 Develop Release Sensor PCB ASSY................................................................... 3-156
8.69 Low-voltage Power Supply PCB ASSY ................................................................ 3-157
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY................................................4-1
1.1 Installing the Firmware (Sub firmware, Panel firmware, Main Firmware) ................... 4-2
1.1.1 Checking firmware version ................................................................................ 4-2
1.1.2 Installing the firmware using USB flash memory
(USB direct interface model only) ...................................................................... 4-3
1.1.3 Installing the firmware using computer .............................................................. 4-4
1.2 Initialization of EEPROM of Main PCB ASSY (Function code 01) ............................. 4-5
1.3 Setting by Country (Function code 74) ....................................................................... 4-5
1.4 Setting the Serial Number (Function code 80) ........................................................... 4-5
1.5 Restore Machine Information (Function code 41) ...................................................... 4-6
1.6 Motor Reset (Function code 57) ................................................................................. 4-6
1.7 Continuous Adjustments of Density and Registration Sensor (Function code 73) ..... 4-6
1.8 Acquisition of White Level Data (Function code 55) ................................................... 4-6
1.9 Adjustment of Touch Panel (Function code 61) .......................................................... 4-6
2. IF YOU REPLACE THE REGISTRATION MARK L PCB ASSY AND
REGISTRATION MARK R PCB ASSY ......................................................4-7
2.1 Continuous Adjustments of Density and Registration Sensor
(Function code 73)...................................................................................................... 4-7
3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY 4-8
3.1 Reset of Irregular Power Supply Detection Counter................................................... 4-8
4. IF YOU REPLACE THE PROCESS DRIVE UNIT......................................4-9
4.1 Motor Reset (Function code 57) ................................................................................. 4-9
5. IF YOU REPLACE THE LED ASSY OR JOINT COVER ASSY..............4-10
5.1 Continuous Adjustments of Density and Registration Sensor
(Function code 73).................................................................................................... 4-10
6. IF YOU REPLACE THE DOCUMENT SCANNER UNIT,
ADF UNIT (DUPLEX SCANNING MODEL ONLY) OR CIS UNIT............4-11
6.1 Check of Main Firmware Version.............................................................................. 4-11
6.2 Acquisition of White Level Data (Function code 55) ................................................. 4-11
7. IF YOU REPLACE THE CONTROL PANEL ASSY OR
TOUCH PANEL ASSY..............................................................................4-12

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