Brother MFC-9420CN Service Manual

App. 2-1 Confidential
A2.1 INSTALLING THE UPDATE DATA TO THE
MACHINE
If you want to update the current program stored in the flash ROM of the main PCB to the newer
version or after you replace the main PCB, install the update program onto the flash ROM.
The program installation requires a PC/AT-compatible computer (which is capable of running
MS-DOS or its compatible OS).
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If you use parallel interface
Connecting the Machine to Your PC
(1) Make sure that your PC is turned off.
(2) Make sure that the power cord of the machine is unplugged from a wall socket or other power
source.
(3) Connect the parallel interface cable to the parallel port on the back of the machine and secure
it with the lock wires.
(4) Connect the other end of the interface cable to the machine port of your PC and secure it with
the two screws.
Setting up the Machine and Your PC
(1) Plug the power cord of the machine into a wall socket, and turn on the power switch while
pressing the 5 key on the machine's control panel.
(2) Check to see that the following pattern displays on the LCD. If it does not display, go back to
step (2) above.
(3) Turn on your PC.
Lock wires
Parallel interface cable
Host computer
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Brother MFC-9420CN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 2400 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	31 ppm
Print speed (color, normal quality, A4/US Letter)	8 ppm
Digital sender	No
Number of print cartridges	4
Scanner type	Flatbed scanner
Scanner features	Scan to: e-mail, image, OCR, file
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	31 cpm
Copy speed (color, normal quality, A4)	8 cpm
Faxing	Color faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	200
Total input capacity	750 sheets
Maximum input capacity	250 sheets
Auto document feeder (ADF) input capacity	35 sheets
Maximum internal memory	576 MB
Bundled software	ScanSoft PaperPort Presto! PageManager
I/O ports	IEEE-1284 USB 2.0
Dimensions (WxDxH)	483.5 x 514 x 530 mm
Printer management	BRAdmin Professional, MIB-II
Networking features	10Base-T/100Base-TX
All-in-one functions	Fax, Scan
Color all-in-one functions	copy, fax, print, scan
Compatible operating systems	Windows 98(SE)/ Me/ NT WorkStation 4.0/ 2000 Professional/ XP Mac OS 9.1 - 9.2, Mac OS X 10.2.4+
Sustainability certificates	ENERGY STAR
Power consumption (standby)	85 W
Power consumption (PowerSave)	16 W
Power consumption (average operating)	1090 W
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %
Market positioning	Business