Brother MFC-L5850DW Service Manual

2-84
Confidential
4.2.3 No paper is fed from TT
<User Check>
• Check that the paper is set in the paper tray correctly.
• Check that there is not too much paper set in the paper tray.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Check that the thickness of the paper is 60 to 120 g/m
2
(paper tray 2 to 5).
• Check that the MP tray, LT or TT are not set as the paper tray.
• Flip through the paper and reset it in the paper tray.
• Clean the paper pick up roller.
• Install the latest main firmware.
• Replace the relay AC cord.
• Turn the power switch of TT OFF and then back ON again.
Step Cause Remedy
1
Dirt on a paper dust cleaning
roller of the paper tray
Clean the appropriate paper dust cleaning
roller. (Refer to Fig. 2-10.)
2
Attachment failure of a roller
holder ASSY
Reattach the appropriate roller holder ASSY
correctly.
3
Connection failure of the TT
motor harness
Reconnect the TT motor harness.
4
Connection failure of a TT paper
feed sensor harness
Reconnect the appropriate TT paper feed
sensor harness.
5
Connection failure of a TT relay
PCB harness
Reconnect the appropriate TT relay PCB
harness.
6
Connection failure of the TT
control PCB harness
Reconnect the TT control PCB harness.
7
Connection failure of the TT low-
voltage power supply PCB
harness
Reconnect the TT low-voltage power supply
PCB harness.
8
Connection failure of a TT
release clutch harness
Reconnect the appropriate TT release clutch
harness.
9
Connection failure of a TT
pickup clutch harness
Reconnect the appropriate TT pickup clutch
harness.
10
Connection failure of a TT jam
sensor harness
Reconnect the appropriate TT jam sensor
harness.
11
A TT paper empty actuator
coming off
Reattach the appropriate TT paper empty
actuator.
12
Abrasion of a paper pick up
roller
Replace the appropriate PF kit.
13 A TT release clutch failure Replace the appropriate TT release clutch.
14 A TT pickup clutch failure Replace the appropriate TT pickup clutch.
15
A TT paper empty sensor failure Replace the appropriate TT paper empty
sensor PCB ASSY.
16 TT balance sensor L/R failure Replace the TT balance sensor L/R.
17
A TT jam sensor failure Replace the appropriate TT jam sensor PCB
ASSY.
18 Damaged a plate gear Replace the appropriate plate gear.
19 Damaged an LT/TT connector Replace the appropriate LT/TT connector.
20 TT motor failure Replace the TT motor.
21 A TT relay PCB failure Replace the appropriate TT relay PCB ASSY.
22 TT control PCB failure Replace the TT control PCB ASSY.
23 Panel PCB failure Replace the panel PCB ASSY.
24
TT low-voltage power supply
PCB failure
Replace the TT low-voltage power supply PCB
ASSY.
25 Main PCB failure Replace the main PCB ASSY.

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