Brother MFC-L6700DW Service Manual

ii
Confidential
4.2.4 No paper is fed from MP tray ............................................................................... 2-85
4.2.5 Multiple sheets of paper are fed ........................................................................... 2-86
4.2.6 Paper becomes wrinkled ...................................................................................... 2-86
4.2.7 Paper is fed at an angle ....................................................................................... 2-87
4.2.8 Paper is curled ..................................................................................................... 2-88
4.2.9 Duplex printing is not possible .............................................................................. 2-88
4.2.10 Paper jam ............................................................................................................. 2-89
4.3 Troubleshooting for Image Defects ................................................................................... 2-95
4.3.1 Image defect examples ....................................................................................... 2-95
4.3.2 Troubleshooting according to image defect ......................................................... 2-96
4.4 Troubleshooting for Software Problems ......................................................................... 2-108
4.4.1 Cannot receive data ........................................................................................... 2-108
4.5 Troubleshooting for Network Problems .......................................................................... 2-109
4.5.1 Cannot print via network connection .................................................................. 2-109
4.5.2 Cannot connect to access point ......................................................................... 2-109
4.6 Troubleshooting for Control Panel Problems .................................................................. 2-109
4.6.1 Nothing is displayed on the LCD ........................................................................ 2-109
4.6.2 Nothing is displayed on the LED ........................................................................ 2-110
4.6.3 Control panel is inoperable ................................................................................. 2-110
4.7 Troubleshooting for Toner and Drum Problems ............................................................. 2-111
4.7.1 New toner is not detected ................................................................................... 2-111
4.7.2 Toner cartridge cannot be recognized ................................................................ 2-111
4.7.3 Error message prompting toner cartridge replacement does not disappear ...... 2-111
4.7.4 Drum error .......................................................................................................... 2-112
4.7.5 Error message prompting drum replacement does not disappear ..................... 2-112
4.8 Troubleshooting for Fuser Unit Problems ....................................................................... 2-113
4.8.1 Fuser unit failure ................................................................................................. 2-113
4.9 Troubleshooting for Laser Unit Problems ....................................................................... 2-113
4.9.1 Laser unit failure ................................................................................................. 2-113
4.10 Troubleshooting for PCB Problems ................................................................................ 2-114
4.10.1 Main PCB failure ................................................................................................ 2-114
4.10.2 Memory full ......................................................................................................... 2-114
4.11 Troubleshooting for Document Feeding Problems ......................................................... 2-115
4.11.1 No document is fed ............................................................................................ 2-115
4.11.2 Multiple documents are fed ................................................................................ 2-115
4.11.3 Document jam .................................................................................................... 2-115
4.11.4 Document becomes wrinkled ............................................................................. 2-116
4.11.5 Document size is not detected correctly ............................................................. 2-117
4.12 Troubleshooting for Image Defects ................................................................................. 2-118
4.12.1 Defect examples ................................................................................................. 2-118
4.12.2 Troubleshooting according to image defect ....................................................... 2-118
4.13 Troubleshooting for Fax Problems .................................................................................. 2-122
4.13.1 Fax cannot be sent ............................................................................................. 2-122
4.13.2 Fax cannot be received ...................................................................................... 2-123

Brother MFC-L6700DW Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	7.5 s
Print speed (black, normal quality, A4/US Letter)	48 ppm
Digital sender	-
Maximum duty cycle	100000 pages per month
Recommended duty cycle	0 - 5000 pages per month
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 6, PDF 1.7
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	2, 4
Copy speed (black, normal quality, A4)	48 cpm
Scan to	E-mail, FTP, File, Image, OCR, USB
Scan drivers	ICA, ISIS, SANE, TWAIN, WIA
Scanner type	Flatbed & ADF scanner
Scan speed (black)	28 ppm
Scan speed (color)	20 ppm
Image formats supported	BMP, JPG, PNG, TIF
Maximum scan resolution	19200 x 19200 DPI
Duplex scan speed (black)	56 ppm
Duplex scan speed (color)	34 ppm
Document formats supported	DOCX, PDF, PPTX, XML, XPS
Email protocols	APOP, IMAP4, POP3
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, APOP, EAP-FAST, SMTP-AUTH, SSL/TLS, WPA-PSK, WPA2-PSK
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Online services supported	Dropbox, Evernote, Google Drive, OneDrive
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
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax transmission speed	2.5 sec/page
Total input capacity	520 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	70 sheets
Envelopes sizes	6 3/4, 7 3/4, 9, 10
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
ISO A-series sizes (A0...A9)	A4, A5, A6
Duplex media weight (imperial)	17 - 24 lbs
Multi-purpose tray media types	Bond paper
Maximum ISO A-series paper size	A4
Paper tray media weight (imperial)	16 - 32 lbs
Multi-Purpose Tray media weight (imperial)	16 - 53 lbs
Display	LCD
Control type	Touch
Product color	Black
Display diagonal	4.85 \
Market positioning	Business
Internal memory	512 MB
Sound power level (standby)	35 dB
Sound pressure level (printing)	55 dB
Sustainability certificates	ENERGY STAR
AC input voltage	120 V
AC input frequency	50 - 60 Hz
Power consumption (ready)	36 W
Power consumption (sleep)	1.8 W
Power consumption (average operating)	680 W
Operating relative humidity (H-H)	20 - 80 %
Package depth	525.78 mm
Package width	599.44 mm
Package height	657.86 mm
Package weight	22089.95 g

Weight and Dimensions

Width	495.3 mm