Brother MFC-9420CN Service Manual

8-10 Confidential
Firmware Switches (WSW01 through WSW60) Continued
WSW No. Function
WSW38 V.34 transmission settings
WSW39 V.34 transmission speed
WSW40 V.34 modem settings
WSW41 ON-duration of the scanning light source
WSW42 Internet mail settings
WSW43 Function setting 21
WSW44 Speeding up scanning-1
WSW45 Speeding up scanning-2
WSW46 Monitor of power ON/OFF state and parallel port kept at high
WSW47 Switching between high- and full-speed USB
WSW48 USB setup latency
WSW49 End-of-copying beep and print in black
WSW50 SDAA settings
WSW51 Function setting 16
WSW52 Not used
WSW53 Function setting 17
WSW54-60 Not used
 Operating Procedure
(1) Press the 1 and 0 keys in this order in the initial stage of the maintenance mode.
The machine displays the "WSW0
0" on the LCD and becomes ready to accept a
firmware switch number.
(2) Enter the desired number from the firmware switch numbers (01 through 51).
The following appears on the LCD:
Selector 1 Selector 8
↓ ↓
WSWXX = 0 0 0 0 0 0 0 0
(3) Use the
and keys to move the cursor to the selector position to be modified.
(4) Enter a value to be set (0 or 1) using the 0 and 1 keys.
(5) Press the Menu/Set key. This operation saves the newly entered selector values onto
the EEPROM and readies the machine for accepting a firmware switch number.
(6) Repeat steps (2) through (5) until the modification for the desired firmware switches is
completed.
(7) Press the Stop/Exit key to return the machine to the initial stage of the maintenance
mode.
NOTE:
• To cancel this operation and return the machine to the initial stage of the maintenance
mode during the above procedure, press the Stop/Exit key.
• If there is a pause of more than one minute after a single-digit number is entered for
double-digit firmware switch numbers, the machine will automatically return to the
initial stage of the maintenance mode.
 Details of Firmware Switches
• The details of the firmware switches are described in Appendix 4 in which the user-
accessible selectors of the firmware switches are shaded.
• Machine w/o fax support some selectors of firmware switches. Those selector numbers
are circled.

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