Brother MFC-9420CN Service Manual

Confidential
5-49
5.1.35 Waste Toner Holder ASSY PU
(1) Loosen the setscrew (BT3x8, 1 piece) of the plate.
(2) Uprear (Do not remove) the waste toner feeder pipe.
(3) Remove the setscrew (BT3x8, 1 piece and BT3x12, 1 piece) of the waste toner holder ASSY
PU.
(4) Remove the waste toner holder ASSY PU.
The waste toner sensor PU is built in the holder ASSY PU, and therefore is replaced by a
waste toner holder ASSY PU as the module.
(5) Remove the base from the frame.
Fig. 5-80
5.1.36 Developer Clutch PU (DCLY/DCLM/DCLC/DCLK)
(1) Remove the washer fixing the developer clutch PU to the shaft.
(2) Remove the developer clutch PU from the shaft.
Fig. 5-81
BT3x8
BT3
x
8
Waste toner holder
A
SS
Y
PU
Waste toner senso
r
PU
Waste tone
r
feeder pipe
Plate
BT3
x
12
Base
Shaft
Developer clutch PU (DCLY)
Developer clutch PU (DCLM)
Developer clutch PU (DCLC)
Washe
r
Washe
r
Washe
r
Washe
r

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