Brother MFC-9420CN Service Manual

8-29 Confidential
8.2.3 Detailed Descriptions of Engine Service Mode Functions
8.2.3.1 Test Print (Code 31)
< When turning the power switch ON while holding down the * and 1 keys >
 Function
This function is to print the test print including the grid pattern of one or two colors
(R, G, B) and stripe pattern of the full colors.
 Operating Procedure
(1) Press the 6 key in the initial stage of the engine service mode.
The “31 GRID PRINT / <▲ 2>” message appears on the LCD.
(2) Select the pattern you want to print with the 4 or 5 key.
Pattern 1: Grid pattern
Pattern 2: Full color stripe pattern
(Refer to the sample as shown in Fig. 8-12.)
After selecting the pattern, press the 6 key.
(3) When selecting Pattern 1, select the color you want to print with using the 4 or 5 key and
press the 6 key.
When selecting Pattern 2, proceed to Step (4).
(4) The machine prints the pattern of the selected color(s) continuously after warming-up.
(5) Press the 3 key so that the machine stops printing.
(6) Press the 3 key again, and the machine returns to the initial stage of the engine service
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