Brother MFC-9420CN Service Manual

vi Confidential
5.1.54 Toner Sensor PU (TTR) .....................................................................................5-64
5.1.55 Toner Present Sensor PU ..................................................................................5-65
5.1.56 Belt Sensor.........................................................................................................5-65
5.1.57 Left Tray Guide PU / Paper Size Sensor PU / Room Temp Thermistor PU ......5-66
5.1.58 Left Toner Guide PU ..........................................................................................5-67
5.1.59 Paper Exit Unit ...................................................................................................5-68
5.1.60 Transfer Roller ASSY PU ...................................................................................5-69
5.1.61 Transfer Base ASSY PU ....................................................................................5-69
5.1.62 Registration Roller ASSY PU .............................................................................5-70
5.1.63 Registration Actuator PU....................................................................................5-70
5.1.64 Exit Guide ASSY PU / Exit Drive ASSY PU / Exit Idle Roller ASSY PU............. 5-71
5.1.65 Paper Sensor (PFUL).........................................................................................5-72
5.1.66 Exit Roller ASSY PU / Paper Exit Actuator PU ..................................................5-73
5.1.67 Fuser Exit Actuator PU.......................................................................................5-74
5.1.68 Paper Sensor (PT2) ...........................................................................................5-74
5.1.69 Discharging Brush PU ........................................................................................5-75
5.1.70 Back Cover Latch ASSY PU...............................................................................5-76
5.1.71 Transfer Roller Guide PU...................................................................................5-77
5.1.72 Paper Guide (A) PU ...........................................................................................5-78
5.1.73 Paper Guide (B) PU ...........................................................................................5-78
5.1.74 Paper Guide (C) PU / Paper Sensor (PT1, PEU) / OHP Sensor PU /
Tray Empty Actuator PU ....................................................................................5-79
5.1.75 Paper Guide (D) PU ...........................................................................................5-80
5.1.76 Paper Feed Roller / Separator Pad ....................................................................5-80
5.2 LUBRICATION ........................................................................................................5-81
5.3 HARNESS ROUTING ..............................................................................................5-82
CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS
REPLACEMENT
6.1 IF YOU REPLACE THE MAIN PCB..........................................................................6-1
6.1.1 EEPROM Customizing .........................................................................................6-1
6.1.2 EEPROM Parameter Initialization ........................................................................6-1
6.1.3 ID Code Entry to the EEPROM ............................................................................6-1

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