Brother MFC-L5850DW Service Manual

3-32
Confidential
9.5 Fuser unit
(1) Remove the taptite bind B M4x12 screw, and remove the fuser unit line cover R.
(2) Open the front cover, and release the nip of the pressure roller.
(3) Slide the lower rear nip release link in the direction of the arrow 3b while pulling it in the
direction of the arrow 3a to remove the rear nip release link.
(4) Remove the taptite pan B M4x14 screw. Release the hook, and remove the fuser unit
line cover L.
Fig. 3-18
CAUTION
Some parts inside the machine are extremely hot immediately after the machine is used.
When opening the front cover ASSY or back cover to access any parts inside the
machine, never touch the shaded parts shown in the following figures.
Note:
• Do not touch the fuser unit film directly. It may cause the fuser unit failure.
Fuser unit
line cover R
Fuser unit line cover L
<Frame R side><Frame L side>
Rear nip release link
Taptite pan B M4x14
Taptite bind B M4x12
Hook
3a
3b

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