Brother MFC-L6700DW Service Manual

2-44
Confidential
 Error code 1901
Detected a TT motor failure.
 Error code 1F00
When the TT was connected, TT balance sensor L/R wasn't connected properly.
 Error code 3801
A temperature error occurred in the external temperature/humidity sensor.
 Error code 4000
The number of rotations of the drum unit is reaching the upper limit.
Error code 4200
The number of rotations of the drum unit has reached the upper limit. (Printing does not
stop.)
Step Cause Remedy
1
Malfunction of the TT control
PCB
Install the latest main firmware.
2
Connection failure of the TT
motor harness
Reconnect the TT motor harness.
3
LT/TT connector failure
(machine side or TT side)
Replace the LT/TT connector of the machine
side or TT side.
4 TT motor failure Replace the TT motor.
5 TT control PCB failure Replace the TT control PCB.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the TT
balance sensor L/R harness.
Reconnect the TT balance sensor L/R harness
or relay connector harness.
2
TT balance sensor L/R
attachment failure
Reattach the TT balance sensor L/R.
3
LT/TT connector failure
(machine side or TT side)
Replace the LT/TT connector of the machine
side or TT side.
4 TT balance sensor L/R failure Replace the TT balance sensor L/R.
5 TT control PCB failure Replace the TT control PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the
external temperature/humidity
sensor harness
Reconnect the external temperature/humidity
sensor harness.
2
External temperature/humidity
sensor failure
Replace the main frame L ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Replace the drum unit with a
new one and reset the drum
counter. If the error display is not
cleared, the main PCB is faulty.
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