Brother MFC-L6700DW Service Manual

2-53
Confidential
 Error code 7301
When printing from the paper tray 1, the T1 paper feed sensor does not detect paper pass
within the specified time while the T1 paper empty sensor detects some paper set.
 Error code 7302
When printing from the paper tray 1, the registration front sensor does not detect paper pass
within the specified time after the T1 paper feed sensor detected paper pass.
<User Check>
• Remove the jammed paper.
• Add the paper properly using the paper tray 1 paper guide.
Step Cause Remedy
1
Foreign object in the front of the
machine
Remove the foreign object.
2
T1 paper pick up roller holder
attachment failure
Reattach the T1 paper pick up roller holder.
3
T1 paper feed actuator
attachment failure
Reattach the T1 paper feed actuator.
4
Connection failure of the T1
pickup clutch harness
Reattach the T1 pickup clutch harness.
5
Connection failure of the T1
paper feed sensor harness
Reconnect the T1 paper feed sensor harness.
6
Connection failure of the HVPS
flat cable
Reconnect the HVPS flat cable.
7 PF kit 1 failure Replace the PF kit 1.
8 T1 pickup clutch failure Replace the T1 pickup clutch.
9
T1 paper feed sensor PCB failure Replace the T1 paper feed sensor PCB ASSY.
10
T1 paper empty sensor PCB failure Replace the T1 paper empty sensor PCB ASSY.
11
Damaged gears in the paper
feeding system
Replace the main frame L ASSY.
12
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
13 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Remove the jammed paper.
• Add the paper properly using the paper tray 1 paper guide.
Step Cause Remedy
1
Foreign object in the front of the
machine
Remove the foreign object.
2
Registration front actuator
attachment failure
Reattach the registration front actuator.
3
Connection failure of the registration
front/rear sensor harness
Reconnect the registration front/rear sensor
harness.
4
Registration front/rear sensor
PCB failure
Replace the registration front/rear sensor PCB
ASSY.
5
high-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
6
Damaged gears in the paper
feeding system
Replace the main frame L ASSY.
7 Main PCB failure Replace the main PCB ASSY.

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