Brother MFC-L5850DW Service Manual

2-10
Confidential
2.4 Block Diagram
Fig. 2-6
Main PCB
Speaker
FB motor
First side CIS unit
Models with 520-sheet T1 only
Models with USB host on the rear side only.
LT
Registration front/
rear sensor PCB
MP paper empty
sensor PCB
T1 paper feed
sensor PCB
Modem PCB
Fax models only
Second side CIS unit
Duplex scanning models only
Models with 520-sheet T1 only
Document scanner unit
ADF motor
ADF cover sensor
Document detection sensor
Document scanning position sensor
ADF unit
USB host PCB
Panel PCB
LCD panel ASSY
NFC models only
NFC
3.7 inch models only
LCD relay PCB
Color LCD
4.85 inch models only
Color LCD
Key PCB
Touch panel
ASSY
TT
High-voltage
power supply PCB
Eject sensor PCB
Center thermistor
Heater
Side thermistor
Fuser unit
T3TT paper empty sensor PCB
T3TT paper feed sensor PCB
Relay front PCB
New toner
sensor
Develop release clutch
Polygon motor
Wireless LAN PCB
WLAN models only
Paper empty
sensor PCB
Toner amount detection
sensor PCB (light reception)
Low-voltage
power supply PCB
T2TT pickup clutch
T2TT jam sensor PCB
T2TT paper empty sensor PCB
T2TT paper feed sensor PCB
T3TT pickup clutch
T3TT release clutch
T3TT jam sensor PCB
T4TT pickup clutch
T4TT release clutch
T4TT jam sensor PCB
T4TT paper empty sensor PCB
T4TT paper feed sensor PCB
T5TT pickup clutch
T5TT release clutch
T5TT jam sensor PCB
T5TT paper empty sensor PCB
T5TT paper feed sensor PCB
T2TT
relay
PCB
T3TT
relay
PCB
T4TT
relay
PCB
T5TT
relay
PCB
Low-voltage Power Supply PCB
TT motor
Relay connector
TT balance sensor L
Relay connector
TT fan
TT balance sensor R
TT
control
PCB
External temperature/humidity sensor
Internal temperature sensor
Eject motor
Back cover/duplex
tray sensor
Eject stack sensor
MP solenoid
T1 pickup clutch
Registration clutch
Front cover sensor
LD PCB
BD sensor
Laser unit
Paper feed motor
Fuser fan
Toner amount
detection sensor
PCB (light emission)
LT paper empty
sensor PCB
LT release clutch
LT pickup clutch
LT paper feed
sensor PCB
LT control PCB
Erase lamp PCB

Brother MFC-L5850DW Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Duplex printing mode	Auto
Time to first page (black, normal)	7.2 s
Print speed (black, normal quality, A4/US Letter)	42 ppm
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	999 copies
N-in-1 copy function (N=)	2, 4
Time to first copy (black, normal)	9.2 s
Copy speed (black, normal quality, A4)	42 cpm
Scan to	CIFS, Cloud, E-mail, E-mail Server, FTP, File, OCR, USB
Scan drivers	ICA, ISIS, SANE, TWAIN, WIA
Scanner type	Flatbed & ADF scanner
Input color depth	48 bit
Output color depth	24 bit
Scan speed (black)	28 ppm
Scan speed (color)	20 ppm
Input grayscale depth	16 bit
Image formats supported	JPEG, JPG, PNG, TIF, TIFF
Maximum scan resolution	19200 x 19200 DPI
Duplex scan speed (black)	56 ppm
Duplex scan speed (color)	34 ppm
Document formats supported	DOCX, HTM, HTML, PDF, PPTX, RTF, TXT, XLS, XLSX, XML, XPS
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax coding methods	JBIG, JPEG, MH, MMR (Fax coding method), MR
Fax speed dialing (max numbers)	300
Printing colors	Black
Maximum duty cycle	50000 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 5c, PCL 5e, PCL 6, PDF 1.3
Display	TFT
Control type	Touch
Display diagonal	3.7 \
Market positioning	Business
Email protocols	APOP, IMAP4, POP3, SMTP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100Base-T(X)
Security algorithms	64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
Near Field Communication (NFC)	No
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA (Auto IP), WINS/NetBIOS Name Resolution, DNS Resolver, mDNS, LLMNR Responder, LPR/LPD, Custom Raw Port/Port 9100, POP3, SMTP Client, IPP/IPPS, FTP Client and Server, CIFS Client, TELNET Server, SNMPv1/v2c/v3, HTTP/HTTPS Server, TFTP Client and Server, ICMP, Web Services (Print/Scan), SNTP Client, LDAP, IMAP4
Supported network protocols (IPv6)	NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, POP3, SMTP Client, FTP Client y Server, CIFS Client, TELNET Server, SNMPv1/v2c, HTTP/HTTPS server, TFTP client y server, ICMPv6, SNTP Client, LDAP, Web Services (Print/Scan), IMAP4
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	70 sheets
Paper tray media types	Bond paper, Envelopes, Labels, Letterhead, Plain paper, Recycled paper
Paper tray media weight	60 - 120 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
Multi-purpose tray media types	Envelopes, Legal, Letter
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 200 g/m²
Auto Document Feeder (ADF) media weight	60 - 105 g/m²
Package depth	525.8 mm
Package width	599.4 mm
Package height	629.9 mm
Package weight	20865 g
Quantity per pack	1 pc(s)
Recommended monthly print volume	3500 pages
Card reader integrated	-
Sound pressure level (printing)	55 dB
AC input voltage	120 V
AC input frequency	50 - 60 Hz
Power consumption (max)	1248 W
Power consumption (off)	0.03 W
Power consumption (ready)	36 W
Power consumption (sleep)	8.4 W
Power consumption (printing)	630 W
Power consumption (average operating)	- W
Energy Star Typical Electricity Consumption (TEC)	0.567 kWh/week
Storage temperature (T-T)	0 - 40 °C
Operating temperature (T-T)	10 - 32 °C
Storage relative humidity (H-H)	35 - 85 %
Operating relative humidity (H-H)	20 - 80 %
Sustainability certificates	EPEAT Silver, ENERGY STAR
Cables included	Phone
Bundled software	Nuance PaperPort SE with OCR for Windows, Presto! PageManager with OCR for Mac
Included cartridge capacity (black)	3000 pages

Weight and Dimensions

Depth	426.7 mm
Width	495.3 mm
Height	485.1 mm