Brother MFC-9420CN Service Manual

Confidential
3-8
[ 1 ] Structure of the machine
No. Component part Process
1 OPC Charger Roller PU Charging
2 Laser ASSY PU Exposing
3 Toner Cartridge PU Developing
4 Belt Cartridge PU Receiving of image
5 Transfer Belt (Transfer Unit PU) Transferring of image
6 Belt Discharger Erase Lamp Discharging of OPC belt
7 Cleaning Blade Cleaning of OPC belt
8 Transfer Roller ASSY PU Transferring
9 Cleaning Roller PU Cleaning of transfer belt
10 Fusing Unit FU Fusing
11 Back Cover ASSY PU (Paper Exit Unit) Exiting of paper
Fig. 3-9
4. Belt Cartridge PU
3. Toner Cartridge PU
(K, Y, M, C)
2. Laser ASSY PU
Paper Tray PU
1. OPC Charger Roller PU
7. Cleaning Blade
6. Belt Discharger Erase Lamp
Paper Feed Roller PU
5. Transfer Belt
8. Transfer Roller
ASSY PU
11. Back Cover ASSY PU
(Paper Exit Unit)
10. Fusing Unit FU
9. Cleaning Roller PU
Exit Roller ASSY PU

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