Brother MFC-9420CN Service Manual

v Confidential
5.1.23 Waste Toner Auger PU ......................................................................................5-42
5.1.24 Waste Toner Agitator PU ...................................................................................5-42
5.1.25 Erase Lamp PU..................................................................................................5-43
5.1.26 Marker Sensor....................................................................................................5-44
5.1.27 Toner Density Sensor PU...................................................................................5-44
5.1.28 Cleaning Roller Clutch PU..................................................................................5-45
5.1.29 Main Motor PU ...................................................................................................5-45
5.1.30 Fuser Clutch PU ................................................................................................. 5-46
5.1.31 TR Cam Clutch................................................................................................... 5-47
5.1.32 Registration Clutch PU .......................................................................................5-47
5.1.33 Paper Feed Clutch PU .......................................................................................5-48
5.1.34 Developer Motor PU...........................................................................................5-48
5.1.35 Waste Toner Holder ASSY PU ..........................................................................5-49
5.1.36 Developer Clutch PU (DCLY/DCLM/DCLC/DCLK) ............................................5-49
5.1.37 Developer Gear PU / Developer Drive ASSY PU...............................................5-50
5.1.38 OPC Drive Gear ASSY PU.................................................................................5-50
5.1.39 Main Drive Gear ASSY PU................................................................................. 5-51
5.1.40 Waste Toner Feeder PU ....................................................................................5-52
5.1.41 Toner Sensor PU (TPD).....................................................................................5-53
5.1.42 Right Toner Guide PU ........................................................................................5-54
5.1.43 Laser ASSY PU / Laser Unit Fan ASSY PU....................................................... 5-54
5.1.44 Inner Front Cover PU / Front Cover PU ............................................................. 5-56
5.1.45 Right Tray Guide PU ..........................................................................................5-56
5.1.46 Engine Control Board PU ...................................................................................5-57
5.1.47 Power Supply Fan PU / Interlock Switch PU (Top, Paper Exit) /
Power Supply Fan Duct PU ............................................................................... 5-58
5.1.48 Speaker ..............................................................................................................5-59
5.1.49 Scanner Door Sensor.........................................................................................5-59
5.1.50 HV Power Supply PU .........................................................................................5-60
5.1.51 LV Power Supply PU / Power Supply Bracket PU ASSY ...................................5-61
5.1.52 Fuser Connector PU........................................................................................... 5-62
5.1.53 Toner Retract Solenoid PU (DESLY/DESLM/DESLC/DESLK) /
Toner Retract Cam PU....................................................................................... 5-63

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