Brother MFC-9420CN Service Manual

6-1 Confidential
6.1 IF YOU REPLACE THE MAIN PCB
6.1.1 EEPROM Customizing
For the OCEANIA (Australia and New Zealand), and EUROPE (United Kingdom, German,
France, Norway, Belgium, Netherlands, Switzerland, Finland, Denmark, Spain, Italy, Portugal,
Sweden, Austria, Ireland and others) versions and replacement with a new main PCB
Refer to Chapter 6, Section 6.1.5.
For other versions or replacement with a used main PCB
(1) Press the Menu/Set and Black Start keys. Next press the
key four times to make the
machine enter the maintenance mode.
(2) Press the 7 and 4 keys in this order in the initial stage of the maintenance mode.
The current customizing code (e.g., 0001 in the case of U.S.A. model) appears.
(3) Enter the desired customizing code (e.g., 0054 in the case of Europe model).
The newly entered code appears.
NOTE: If a wrong 4-digit code is entered, the machine will malfunction.
(4) Press the Black Start key.
The machine saves the setting and returns to the initial stage of the maintenance mode.
If you press the Stop/Exit key or no keys are pressed for one minute in the above procedure,
the machine stops the procedure and returns to the initial stage of the maintenance mode.
6.1.2 EEPROM Parameter Initialization
(1) Press the 0 and 1 keys (or the 9 and 1 keys according to your need) in this order in the initial
stage of the maintenance mode.
The "PARAMETER INIT" appears on the LCD.
(2) Upon completion of parameter initialization, the machine returns to the initial stage of the
maintenance mode.
6.1.3 ID Code Entry to the EEPROM
(1) Press the 8 and 0 keys in this order in the initial stage of the maintenance mode.
An unspecified code appears on the LCD.
(2) Press the 9, 4, 7, and 5 keys in this order.
The LCD switches to the edit mode, showing a cursor.
(3) Enter the serial number given on the right side of the machine using the ten keys.
(4) Press the Menu/Set key.
The machine displays the newly entered ID code on the LCD for 0.5 second and then returns
to the initial stage of the maintenance mode.
To cancel the ID code entry, press the Stop/Exit key instead of the Menu/Set key. The
machine beeps for one second and returns to the initial stage of the maintenance mode.

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