Brother MFC-L5850DW Service Manual

2-8
Confidential
2.3 Operation of Each Part
Part name Operation
Paper pick up roller Feeds paper from the paper tray to the separation roller.
Separation roller,
Separation pad
Separates paper fed from the paper tray into single sheets.
Paper feed actuator
(Paper feed sensor)
Detects paper trays (open / closed).
Detects paper jams in paper trays.
Determines whether paper is fed from the paper tray.
Paper empty actuator
(Paper empty sensor)
Detects paper in the paper tray.
(Models with LT, TT, and USB host on the rear side only.)
TT jam actuator
(TT jam sensor)
Detects paper jams in the front section of the tray. (TT only)
TT balance sensor L/R Detects if the TT is mounted properly. (TT only)
Registration front actuator
(Registration front sensor)
Detects the front edge of the paper to control the registration
roller drive.
Detects paper jams in the front section of the machine.
Determines whether paper is fed from the paper tray.
Registration roller Corrects the paper alignment when the paper makes contact
with the stopped registration roller. After the correction, it rotates
to feed the paper to the feeding path.
Registration rear actuator
(Registration rear sensor)
Detects paper pass and adjusts the writing start position for the
paper.
Detects paper jams in the front or center section of the machine.
Detects the rear edge of the paper to determine the paper size.
Heat film,
Pressure roller
Fuses the toner transferred to paper by heat and pressure, and
feeds paper to the eject roller 1.
Eject actuator
(Eject sensor)
Determines whether paper is ejected from the fuser unit.
Detects the rear edge of the paper in duplex printing mode to
adjust the turn-over timing of the eject roller 2. Detects paper
jam in the rear section of the machine.
Eject roller 1 Feeds the paper ejected from the fuser unit to eject roller 2.
Eject roller 2 Ejects the paper to the output tray of the machine.
During the duplex printing, the eject roller 2 rotates conversely
and feeds the paper to the duplex tray after the paper has been
fed from the eject roller 2 with the second side printed.
Duplex paper feed roller Feeds the paper passing through the duplex tray to the
registration roller.
Front cover sensor Detects open front cover.
Back cover/duplex tray
sensor
Detects open / closed back cover or the duplex tray is set.
MP paper pick up roller Feeds paper from the MP tray to the MP separation roller.

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