Brother MFC-9420CN Service Manual

6-16 Confidential
(4) Remove the cleaning roller cover PU.
Fig. 6-19
(5) Remove the cleaning roller PU by grasping the handle and lifting it up.
Fig. 6-20
Sequence of Assembling
(1) Clean the area where the new cleaning roller PU is to be installed with a dry cotton cloth.
(2) Put the new cleaning roller PU into the machine by gently placing the brass bearings into the
guides, and then pushing the handle down until the bearings click into place. Make sure the
cleaning roller PU is free to move slightly upwards (rotating slightly around the bearings) in
the housing after you have installed it.
Fig. 6-21
(3) Put the cleaning roller cover PU back in.
(4) Close the
center cover , and then close the scanner unit.
(5) Turn the machine’s power switch back on.
Cleaning roller cover PU
Cleaning roller PU
Cleaning roller 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