Brother MFC-9840CDW Reference Manual

Confidential
Ref. 2-2
2. ELECTRONICS GENERAL BLOCK DIAGRAM
LT
CCD
NCU
Speaker
Battery
Document front sensor
Document rear sensor
ADF relay PCB
Driver PCB
2nd LVPS
ADF motor
FB motor
Engine PCB
Front cover interlock switch
Develop drive motor
Paper feed/belt cleaner motor
Belt unit drive motor
Develop release motor
Drum drive motor 1
Drum drive motor 2
T1 paper feed solenoid
MP paper feed solenoid
Registration solenoid
Cleaner stoppage solenoid
Belt cleaner release solenoid
DX solenoid
Density sensor
Back cover sensor
Toner sensor PCB K (TE/NEW)
Toner sensor PCB Y (TE/NEW)
Toner sensor PCB M (TE/NEW)
Toner sensor PCB C (TE/NEW)
T1 PE/edge sensor PCB
MP PE/registration front sensor
T1 registration front sensor PCB
Registration rear sensor PCB
Develop release sensor PCB
Belt cleaner release sensor PCB
Drum phase sensor PCB 1
Drum phase sensor PCB 2
Internal temperature thermistor
Waste toner sensor 1
Waste toner sensor 2
THM/HUM sensor
Drum unit fan (OPC)
LT registration sensor PCB
LT PCB
Drum unit
Fuser unit
Laser unit
Plate motor
LT solenoid
LT PE/edge sensor PCB
Paper eject sensor PCB
Fuser thermistor
EL PCB K
EL PCB Y
EL PCB M
EL PCB C
EL electrode PCB
Fuser floating
connector
Registration
relay PCB
Main PCB
USB host relay PCB
Wireless LAN module
Charge HVPS
PCB
Density solenoid
Belt thermister
Registration-mark
sensor PCB 1
Registration-mark
sensor PCB 2
Toner sensor PCB K (TE emission)
Toner sensor PCB Y (TE emission)
Toner sensor PCB M (TE emission)
Toner sensor PCB C (TE emission)
Fuser unit fan (FU)
Air intake fan (AIR)
LVPS fan (PS)
LD PCB
Panel PCB
Polygon motor
LCD
Back light PCB
Low-voltage power supply
Transfer HVPS PCB
Transfer HVPS
Fig. Ref2-2

Brother MFC-9840CDW Specifications

General

Print technology	Laser
Maximum resolution	600 x 2400 DPI
Economical printing	Yes
Time to first page (black, normal)	16 s
Time to first page (color, normal)	17 s
Print speed (black, normal quality, A4/US Letter)	20 ppm
Scan to	E-mail, FTP, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	16 cpm
Faxing	Mono faxing
Fax memory	400 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	35 sheets
Internal memory	128 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	54.5 dB
Custom media sizes	(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)	530 x 539 x 520 mm
Networking features	10/100Base-TX
Wireless technology	IEEE 802.11b/g
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	0.640 GB
Color all-in-one functions	copy, print, scan
Media weight (tray 1)	60 - 105g/m2
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Security algorithms	LEAP
Supported network protocols (IPv4)	TCP/IP (IPv4 & IPv6)
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Bundled software	ScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)	36 W
Power consumption (average operating)	515, 100 W
Package weight	45800 g
Digital sender	No
Maximum duty cycle	3000 pages per month
Market positioning	Business