Brother MFC-9420CN Service Manual

8-20 Confidential
8.1.4.13 Acquisition of White Level Data and CIS Scanner Area Setting (Function code 55)
 Function
This function allows the machine to obtain white level data for the CIS scanner and save it
together with the CIS scanner area into the EEPROM on the main PCB.
 Operating Procedure
(1) Press the 5 key twice in the initial stage of the maintenance mode.
The "SCANNER AREA SET" will appear on the LCD.
The machine automatically obtains white level data.
(2) If this operation completes normally, the machine returns to the initial stage of the
maintenance mode.
If any error is noted, the "SCANNER ERROR" appears on the LCD. To return the
machine to the initial stage of the maintenance mode, press the Stop/Exit key.
8.1.4.14 Paper Feeding and Ejecting Test (Function code 67)
 Function
This function allows you to check that a sheet of paper is fed and ejected correctly by
printing the grid pattern on a page, whose interval is 1cm.
 Operating Procedure
(1) Press the 6 and 7 keys in this order in the initial stage of the maintenance mode.
The "SELECT TRAY1" will appear on the LCD.
Choose " Tray1" or " Tray2" by pressing
or key.
The test printing is started, and the grid pattern is printed.
(2) To return the machine to the initial stage of the maintenance mode, press the Stop/Exit
key.
NOTE: In the case that the front cover is opened, or that there is no paper in the tray
during test printing, the test printing is stopped.

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