Brother MFC-9420CN Service Manual

8-25 Confidential
8.1.4.17 Machine Error Code Indication (Function code 82)
 Function
This function displays an error code of the last error on the LCD.
 Operating Procedure
(1) Press the 8 and 2 keys in this order in the initial stage of the maintenance mode.
The LCD shows the “MACHINE ERROR X
X”.
(2) Press the Stop/Exit key. Return to the initial stage of the maintenance mode.
8.1.4.18 Output of Transmission Log to the Telephone Line (Function code 87)
 Function
This function outputs the transmission log (that the machine has stored about the latest
transmission) to the telephone line. It allows the service personnel to receive the
transmission log of the user's machine at a remote location and use it for analyzing problems
arising in the user's machine.
 Operating Procedure
(1) If the user's machine has a transmission-related problem, call the user's machine at a
remote location from your machine.
(2) If the line is connected, have the user perform the following:
1) Hook up to the external phone.
2) Press the Menu/Set, Black Start, Menu/Set keys in this order.
3) Press the 8 and 7 keys.
The above operation makes the user's machine send CNG to your machine for
sending the transmission log.
(3) If you hear the CNG sent from the user's machine, press the Black Start key of your
machine. Your machine will start to receive the transmission log from the user's
machine.
8.1.4.19 Cancellation of the Memory Security Mode (Not applicable to the Japanese model)
 Function
This procedure can cancel the memory security mode. Use this procedure if the user forgets
his/her password entered when setting the memory security mode so as not to exit from the
memory security mode.
NOTE: Carrying out this procedure will lose passwords previously entered but retain FAX
messages received in the memory security mode.
 Operating Procedure
(1) When the SECURE MODE is displayed on the LCD, press the Menu/Set key and # key
together. Within two seconds, start to press the 2, 7, 9, 0 and 0 keys.
The memory security mode will be canceled and the machine returns to the calendar
clock screen.

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