General Specifications

Printer Type

  • Laser

Print Method

  • Electrophotographic Laser Printer

Memory Capacity

  • (MFC-L6750DW)

    512 MB

  • (MFC-L6900DW)

    1 GB

LCD (liquid crystal display)

  • 4.85 in. (123.2 mm) TFT Color Touchscreen LCD *1

Power Source

  • 110 to 120 V AC 50/60Hz

Power Consumption

(Average)

Peak *2

  • Approximately 1,368 W

Printing *2

  • (MFC-L6750DW)

    Approximately 680 W at 77 °F (25 °C)

  • (MFC-L6900DW)

    Approximately 730 W at 77 °F (25 °C)

Printing (Quiet Mode) *2

  • Approximately 375 W at 77 °F (25 °C)

Copying *2

  • (MFC-L6750DW)

    Approximately 680 W at 77 °F (25 °C)

  • (MFC-L6900DW)

    Approximately 730 W at 77 °F (25 °C)

Copying (Quiet Mode) *2

  • Approximately 375 W at 77 °F (25 °C)

Ready *2

  • Approximately 36 W at 77 °F (25 °C)

Sleep *2

  • Approximately 8.9 W

Deep Sleep *2

  • Approximately 1.8 W

Power Off *2 *3 *4

  • Approximately 0.03 W

Dimensions

Unit: in. (mm)

  • * 19.5 (495)

    ** 20.4 (518)

    *** 16.8 (427)

Weights (with supplies)

  • (MFC-L6750DW)

    41.4 lb (18.8 kg)

  • (MFC-L6900DW)

    41.9 lb (19.0 kg)

Noise Level

Sound Pressure

Printing

  • (MFC-L6750DW)

    LpAm = 55 dB (A)

  • (MFC-L6900DW)

    LpAm = 57 dB (A)

Ready

  • LpAm = 35.0 dB (A)

Printing

(Quiet Mode)

  • (MFC-L6750DW)

    LpAm = 52 dB (A)

  • (MFC-L6900DW)

    LpAm = 53 dB (A)

Sound Power

Printing

  • LWAd = 6.76 B (A)

Ready

  • LWAd = 4.80 B (A)

Printing

(Quiet Mode)

  • LWAd = 6.47 B (A)

Temperature

Operating

  • 50 to 90 °F (10 to 32 °C)

Storage

  • 32 to 104 °F (0 to 40 °C)

Humidity

Operating

  • 20 to 80% (without condensation)

Storage

  • 35 to 85% (without condensation)

ADF (automatic document feeder)

  • (MFC-L6750DW)

    Up to 70 sheets

  • (MFC-L6900DW)

    Up to 80 sheets

For best results we recommend:

  • Temperature: 68 to 86 °F (20 to 30 °C)

  • Humidity: 50 to 70%

  • Paper: 20 lb (80 g/m2)

Laser Notice

*1
Measured diagonally
*2
USB connections to computer
*3
Measured according to IEC 62301 Edition 2.0.
*4
Power consumption varies slightly depending on the usage environment.

Document Size Specification

Document Size

ADF Width

  • 4.1 to 8.5 in. (105 to 215.9 mm)

ADF Length

  • 5.8 to 14.0 in. (147.3 to 355.6 mm)

Scanner Glass Width

  • Maximum 8.5 in. (215.9 mm)

Scanner Glass Length

  • Maximum 14 in. (355.6 mm)

Print Media Specifications

Paper Input

Paper Tray

(Standard)

Paper Type
  • Plain Paper, Letterhead, Colored Paper, Thin Paper, Recycled Paper, Thick Paper *1

Paper Size
  • A4, Letter, A5, A5 (Long Edge), A6, Executive, Legal, Folio, Mexico Legal, India Legal

Paper Weight
  • 16 to 32 lb (60 to 120 g/m2)

Maximum Paper Capacity
  • Up to 520 sheets of 20 lb (80 g/m2) Plain Paper

Multi-purpose tray (MP tray)

Paper Type
  • Plain Paper, Letterhead, Colored Paper, Thin Paper, Thick Paper, Thicker Paper, Recycled Paper, Bond, Label, Envelope, Env.Thin, Env.Thick

Paper Size
  • Width:

    3 to 8.5 in. (76.2 to 215.9 mm)

  • Length:

    5 to 14 in. (127 to 355.6 mm)

Paper Weight

  • 16 to 53 lb (60 to 200 g/m2)

Maximum Paper Capacity
  • Up to 50 sheets of 20 lb (80 g/m2) Plain Paper

    Envelope: 10 envelopes up to 0.4 in. (10 mm) thick

Paper Tray 2, 3

(Optional) *2

Paper Type

  • Plain Paper, Letterhead, Colored Paper, Thin Paper, Recycled Paper, Thick Paper *1

Paper Size

  • A4, Letter, A5, Executive, Legal, Folio, Mexico Legal, India Legal

Paper Weight

  • 16 to 32 lb (60 to 120 g/m2)

Maximum Paper Capacity

  • (LT-5505)

    Up to 250 sheets of 20 lb (80 g/m2) Plain Paper

  • (LT-6505)

    Up to 520 sheets of 20 lb (80 g/m2) Plain Paper

Paper Output *3

Face Down Output Tray

  • (MFC-L6750DW)

    Up to 150 Sheets of 20 lb (80 g/m2) Plain Paper (face down delivery to the face down output paper tray)

  • (MFC-L6900DW)

    Up to 250 Sheets of 20 lb (80 g/m2) Plain Paper (face down delivery to the face down output paper tray)

Face Up Output Tray

  • (MFC-L6750DW)

    One sheet (face up delivery to the face up output tray)

  • (MFC-L6900DW)

    Up to 10 sheets (face up delivery to the face up output tray)

2-sided

Automatic 2-sided Printing

Paper Type
  • Plain Paper, Letterhead, Colored Paper, Thin Paper, Recycled Paper

Paper Size
  • Letter, Legal, Mexico Legal, India Legal, Folio

Paper Weight

  • 16 to 28 lb (60 to 105 g/m2)

*1
Open the back cover (face up output tray) before printing to let the printed paper exit onto the face up output tray.
*2
You can install up to two Lower Trays.
*3
For labels, we recommend removing the printed sheets from the output paper tray immediately after they exit the machine to avoid the possibility of smudging.

Fax Specifications

Compatibility

  • ITU-T Super Group 3

Coding System

  • MH / MR / MMR / JBIG

Modem Speed

  • 33,600 bps (with Automatic Fallback)

2-sided Print Receiving

  • Yes

Automatic 2-sided Sending

  • Yes (from ADF)

Scanning Width

  • Maximum 8.19 in. (208 mm)

Printing Width

  • Maximum 8.19 in. (208 mm)

Gray Scale

  • 8bit / 256 levels

Resolution

Horizontal
  • 203 dpi

Vertical
  • Standard: 98 dpi

  • Fine: 196 dpi

  • Super fine: 392 dpi

  • Photo: 196 dpi

Address Book
  • 300 Locations

Groups
  • Up to 20

Broadcasting
  • 350 Locations

Automatic Redial
  • 1 time at 5 minutes intervals

Memory Transmission
  • Up to 500 pages *1

Out of Paper Reception
  • Up to 500 pages *1

*1
‘Pages’ refers to the ‘ITU-T Test Chart #1’ (a typical business letter, Standard resolution, JBIG code). Specifications and printed materials are subject to change without prior notice.

Copy Specification

Copy Width

  • Maximum 8.27 in. (210 mm)

Automatic 2-sided Copy

  • Yes (from ADF)

Multiple Copies
  • Sorts/Stacks up to 999 pages

Enlarge/Reduce
  • 25 to 400% (in increments of 1%)

Resolution
  • Maximum 1200 x 600 dpi

First Copy Out Time *1
  • Less than 9.5 seconds at 73.4 °F (23 °C) / 115 V

*1
From Ready Mode and standard tray

Scanner Specifications

Color / Black

  • Yes / Yes

TWAIN Compliant

  • Yes

    (Windows® XP(SP3) / Windows Vista® / Windows® 7 / Windows® 8 / Windows® 8.1)

    (OS X v10.8.5 / 10.9.x / 10.10.x)

WIA Compliant

  • Yes

    (Windows® XP(SP3) / Windows Vista® / Windows® 7 / Windows® 8 / Windows® 8.1)

ICA Compliant

  • Yes

    (OS X v10.8.5 / 10.9.x / 10.10.x)

Color Depth

  • 48 bit color Processing (Input)

  • 24 bit color Processing (Output)

Gray Scale

  • 16 bit color Processing (Input)

  • 8 bit color Processing (Output)

Resolution *1

  • Up to 19200 × 19200 dpi (interpolated)

  • Up to 1200 x 1200 dpi (from Scanner Glass)

  • Up to 600 x 600 dpi (from ADF)

Scanning Width

  • Maximum 8.27 in. (210 mm)

Automatic 2-sided Scanning

  • Yes (from ADF)

*1
Maximum 1200 × 1200 dpi scanning with the WIA driver in Windows® XP(SP3), Windows Vista®, Windows® 7, Windows® 8 and Windows® 8.1 (resolution up to 19200 × 19200 dpi can be selected by using the scanner utility)

Printer Specifications

Automatic 2-sided Print

  • Yes

Emulation

  • PCL6, BR-Script3, IBM Proprinter XL, Epson FX-850, PDF version1.7, XPS version 1.0

Resolution

  • Up to 1200 x 1200 dpi

Print Speed *1  *2

1-sided print

  • (MFC-L6750DW)

    Up to 48 pages/minute (Letter size)

  • (MFC-L6900DW)

    Up to 52 pages/minute (Letter size)

2-sided Print

  • Up to 24 sides/minute (Up to 12 sheets/minute) (Letter or A4 size)

First Print Time *3

  • Less than 7.5 seconds at 73.4 °F (23 °C) / 115 V

*1
The print speed may change depending on the type of document you print.
*2
Print speed may be slower when the machine is connected by wireless LAN.
*3
From Ready mode and standard tray

Interfaces Specifications

USB *1 *2
  • Hi-Speed USB 2.0

    Use a USB 2.0 interface cable that is no more than 6 feet (2.0 meters) long.

LAN
  • 10Base-T / 100Base-TX /1000Base-T *3 *4

Wireless LAN
  • IEEE 802.11b/g/n (Infrastructure/Ad-hoc Mode)

    IEEE 802.11g/n (Wi-Fi Direct™)

NFC

  • (MFC-L6900DW)

    Yes

*1
Your machine has a USB 2.0 Hi-Speed interface. The machine can also be connected to a computer that has a USB 1.1 interface.
*2
Third party USB ports are not supported.
*3
Use a straight-through Category 5 (or greater) twisted-pair cable.
*4
If you connect the machine to a Gigabit network, use network devices and cables that comply with the 1000BASE-T specification.

Supported Protocols and Security Features

Ethernet

10Base-T/100Base-TX/1000Base-T

Wireless LAN

IEEE 802.11b/g/n (Infrastructure Mode/Ad-hoc Mode), IEEE 802.11g/n (Wi-Fi Direct)

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

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

Network Security (Wired)

APOP, SMTP-AUTH, SSL/TLS (IPPS, HTTPS, SMTP, POP3, IMAP4), SNMP v3 802.1x (EAP-MD5, EAP-FAST, PEAP, EAP-TLS, EAP-TTLS), Kerberos, IPSec

Network Security (Wireless)

APOP, SMTP-AUTH, SSL/TLS (IPPS, HTTPS, SMTP, POP3, IMAP4), SNMP v3, 802.1x (LEAP, EAP-FAST, PEAP, EAP-TLS, EAP-TTLS), Kerberos, IPSec

Wireless Network Security

WEP 64/128 bit, WPA-PSK (TKIP/AES), WPA2-PSK (AES)

Wireless Certification

Wi-Fi Certification Mark License (WPA/WPA2 - Enterprise, Personal), Wi-Fi Protected Setup (WPS) Identifier Mark License, Wi-Fi CERTIFIED Wi-Fi Direct

Direct Print Feature Specifications

Compatibility
  • PDF version1.7, JPEG, Exif+JPEG, PRN (created by own printer driver), TIFF (scanned by Brother models), XPS version 1.0

Interface
  • USB direct interface : Front x 1, Rear x 1(MFC-L6900DW)