Brother MFC-L6900DW Service Manual

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4.4 Troubleshooting for Software Problems
End users can solve problems related to software, for instance, printing is not possible from a
computer although test print or Printer Setting print can be performed from the machine, as
long as they follow the User Check items. If the problem still cannot be solved, implement
each procedure according to the step numbers in the tables below.
4.4.1 Cannot receive data
*
Check the Product ID on a Macintosh according to the following procedure:
(1) Select "About This Mac" from the "Apple" menu.
(2) Press the "More Info..." button in the "About This Mac" dialog box.
(3) Select "USB" at the bottom of "Hardware" in the "Content" on the left side of the
screen.
(4) Select "DCP-XXXX, MFC-XXXX" in the "USB Device Tree".
(5) Check the "Product ID" under "DCP-XXXX, MFC-XXXX".
Product ID (hexadecimal)
• DCP-L5500D series：0398h • MFC-L5702DW：03C7h
• DCP-L5500DN series：0399h • MFC-L5750DW series：03A5h
• DCP-L5502DN7：039Ah • MFC-L5755DW series：03B2h
• DCP-L5600DN series：039Bh • MFC-L5800DW series：03A7h
• DCP-L5602DN：039Ch • MFC-L5802DW：03A8h
• DCP-L5650DN series：039Dh • MFC-L5850DW series：03A9h
• DCP-L5652DN：039Eh • MFC-L5900DW series：03AAh
• DCP-L6600DW series：039Fh • MFC-L5902DW：03ABh
• MFC-8530DN：03A2h • MFC-L6700DW series：03ACh
• MFC-8535DN：03A3h • MFC-L6702DW：03ADh
• MFC-8540DN：03A6h • MFC-L6750DW series：03AEh
• MFC-8550DN：03A4h • MFC-L6800DW series：03AFh
• MFC-L5700DN series：03A0h • MFC-L6900DW series：03B0h
• MFC-L5700DW series：03C6h • MFC-L6902DW：03B1h
• MFC-L5702DN：03A1h
<User Check>
• Check that the USB cable or LAN cable is not damaged.
• When using an interface switch, check that the correct machine is selected.
• Check the relevant section in the online User's Guide.
• Check the driver settings.
• Reset the machine to the default settings. (Refer to the online User's Guide.)
Step Cause Remedy
1
Machine connection For Macintosh, check the Product ID*.
When it is wrong, update the firmware.
2 Main PCB failure Replace the main PCB ASSY.

Brother MFC-L6900DW Specifications

General

N-up printing	2, 4, 9, 16, 25
Secure printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Duplex printing mode	Auto/Manual
Time to first page (black, normal)	7.5 s
Print speed (black, normal quality, A4/US Letter)	50 ppm
Scan to	E-mail, E-mail Server, FTP, File, Image, OCR, USB
Scan drivers	ICA, ISIS, SANE, TWAIN, WIA
Scanner type	Flatbed & ADF scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan area	A4 (210 x 297) mm
Output color depth	24 bit
Scan speed (black)	24 inch/min
Scan speed (color)	20 inch/min
Image formats supported	JPG
Maximum scan resolution	19200 x 19200 DPI
Duplex scan speed (black)	17 ppm
Document formats supported	PDF
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4
Time to first copy (black, normal)	9.5 s
Copy speed (black, normal quality, A4)	50 cpm
Faxing	Mono faxing
Modem speed	33.6 Kbit/s
Digital sender	No
Printing colors	Black
Maximum duty cycle	150000 pages per month
Recommended duty cycle	0 - 10000 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, Microsoft XPS, PCL 6, PDF 1.7
Display	LCD
Control type	Touch
Product color	White
Display diagonal	4.8 \
Market positioning	Business
Email protocols	SMTP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100/1000Base-T(X)
Security algorithms	64-bit WEP, 128-bit WEP, 802.1x RADIUS, EAP-FAST, EAP-MD5, EAP-PEAP, EAP-TLS, EAP-TTLS, HTTPS, IPPS, IPSEC, LEAP, PEAP, SMTP-AUTH, SNMP, SSL/TLS, WPA-PSK, WPA2-PSK
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Online services supported	Box, Dropbox, Evernote, Facebook, Flickr, Google Drive, OneDrive, OneNote, Picasa
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
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/Port9100, 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 and Server, CIFS Client, TELNET Server, SNMPv1/v2c, HTTP/HTTPS server, TFTP client and server, ICMPv6, SNTP Client, LDAP, Web Services (Print/Scan), IMAP4
Processor family	ARM Cortex
Sound power level (standby)	35 dB
Sound pressure level (copying)	57 dB
Sound pressure level (quiet mode)	53 dB
Mac operating systems supported	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Mobile operating systems supported	Windows Phone, Windows RT
Server operating systems supported	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Windows operating systems supported	Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Standard interfaces	Ethernet, NFC, USB 2.0, Wireless LAN
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Package depth	526 mm
Package width	599 mm
Package height	762 mm
Package weight	23800 g
Power consumption (off)	1.6 W
Power consumption (sleep)	8 W
Power consumption (standby)	34 W
Power consumption (PowerSave)	390 W
Power consumption (average operating)	805 W
Energy Star Typical Electricity Consumption (TEC)	2.493 kWh/week
Sustainability certificates	Nordic Swan Ecolabel, Blue Angel, ENERGY STAR
Custom media width	76.2 - 215.9 mm
Custom media length	127 - 355.6 mm
Paper tray media types	Plain paper, Recycled paper, Thick paper, Thin paper
Paper tray media weight	60 - 120 g/m²
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
Multi-purpose tray media types	Bond paper, Envelopes, Labels, Letterhead, Plain paper, Recycled paper, Thick paper, Thicker paper, Thin paper
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 200 g/m²
Auto Document Feeder (ADF) media weight	64 - 90 g/m²
Paper input type	Paper tray
Total input capacity	520 sheets
Total output capacity	250 sheets
Certification	GS Mark
Harmonized System (HS) code	84433100

Weight and Dimensions

Depth	427 mm
Width	495 mm
Height	518 mm