Brother MFC-L6700DW Service Manual

2-71
Confidential
 Error code 930A
Paper ran out during Fax / List continuous printing.
 Error code 9400
Firmware version of the main PCB is older than that of the TT and LT.
<User Check>
• Set paper in the appropriate paper tray.
• Install the latest main firmware.
Step Cause Remedy
1
A paper empty actuator caught in
some sections of the machine
*1
Reattach the appropriate paper empty actuator.
*1
2
A paper feed actuator caught in
some sections of the machine
*2
Reattach the appropriate paper feed actuator.
*2
3
Connection failure of a paper
feed sensor harness
*2
Reconnect the appropriate paper feed sensor
harness.
*2
4
Connection failure of the HVPS
flat cable
*2
Reconnect the HVPS flat cable.
*2
5
Connection failure of the LT
control PCB harness
*2
Reconnect the LT control PCB harness.
*2
6
A paper empty sensor PCB
failure
*1
Replace the appropriate paper empty sensor
PCB ASSY.
*1
7
A paper feed sensor PCB failure
*2
Replace the appropriate paper feed sensor
PCB ASSY.
*2
8 LT control PCB failure Replace the LT control PCB.
9
High-voltage power supply PCB
failure
*2
Replace the high-voltage power supply PCB.
*2
10 A TT relay PCB failure
*1
Replace the TT relay PCB.
*1
11 TT control PCB failure
*1
Replace the TT control PCB.
*1
12
Low-voltage power supply PCB
failure
*2
Replace the Low-voltage power supply PCB
ASSY.
*2
13 Main PCB failure Replace the main PCB ASSY.
Note:
Only for when each tray above is set for A4 / Letter / Legal / Folio.
*1
Models with 520-sheet only
*2
Models with 250-sheet only
<User Check>
• Install the latest main firmware.
Step Cause Remedy
1
Main firmware version and
firmware version of the TT and
LT do not match
Install the latest main firmware.

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