Brother MFC-9420CN Service Manual

Confidential
3-24
(2) Process of fusing (Refer to Fig.3-27.)
1) The toner image that has been transferred onto the paper is simply adhered on the paper but
not fused yet.
2) Transported paper passes between the heater roller and back-up roller.
3) Each roller is heated up to approx. 150°C, and received approx.200N from the opposite
heat roller.
4) When the paper carrying the toner images passes between the tow heat rollers, the toner
images are melted and fused on the transported paper.
5) The paper carrying the fused image is separated from the heat rollers, and ejected from the
machine.
M
Y
C
MY
Toner Image
Paper
(a). Before Fusing
M
R
G
Fixed Toner
(b). After Fusing
M:Magenta toner
Y :Yellow toner
C :Cyan toner
R :Red
M:Magenta
G:Green
Fig. 3-27

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