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Brother MFC-J3940DW Product Safety Guide

Brother MFC-J3940DW
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12. Slots and openings in the cabinet and the back or bottom are provided for ventilation; to
ensure reliable operation of the product and to protect it from overheating, these openings
must not be blocked or covered. The openings should never be blocked by placing the
product on a bed, sofa, rug, or other similar surface. This product should never be placed
near or over a radiator or heater. This product should not be placed in a built-in installation
unless proper ventilation is provided.
13. Do not place anything in front of the product that will block printouts. Do not place anything in
the path of received faxes.
14. DO NOT touch a document during printing.
15. Not all telephones will respond to incoming ringing when connected to the extension socket.
(Models with FAX function only)
Models with FAX function only
1. The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has
accepted that the item complies with minimum conditions for connection to its network. It
indicates no endorsement of the product by Telecom, nor does it provide any sort of
warranty. Above all, it provides no assurance that any item will work correctly in all respects
with another item of Telepermitted equipment of a different make or model, nor does it imply
that any product is compatible with all of Telecom’s network services.
2. This equipment does not fully meet Telecom’s impedance requirements. Performance
limitations may occur when used in conjunction with some parts of the network. Telecom will
accept no responsibility should difficulties arise in such circumstances.
3. This equipment should not be used under any circumstances which may constitute a
nuisance to other Telecom customers.
4. This equipment shall not be set up to make automatic calls to the Telecom “111” Emergency
Service.
5. This equipment is not capable, under all operating conditions, of correct operation at the
higher speeds for which it is designed. Telecom will accept no responsibility should
difficulties arise in such circumstances.
6. Some parameters required for compliance with Telecom’s Telepermit requirements are
dependent on the equipment (PC) associated with this device. The associated equipment
shall be set to operate within the following limits for compliance with Telecom’s
Specifications:
There shall be no more than 10 call attempts to the same number within any 30 minute
period for any single manual call initiation.
The equipment shall go on-hook for a period of not less than 30 seconds between the end
of one attempt and the beginning of the next call attempt.
Automatic calls to different numbers are spaced such that there is no less than 5 seconds
between the end of one call attempt and the beginning of another.
Equipment shall be set to ensure that calls are answered between 3 and 30 seconds of
receipt of ringing.
7. Many CPE devices have features such as “last number redial” or “memory dial” which
depend on a small on-hook line current for the maintenance of memory information. Such
terminal devices used with the series connected device may lose their memory functions.
8. Telepermitted equipment only may be connected to the EXT telephone port. This port is not
specifically designed for 3-wire-connected equipment. 3-wire-connected equipment might
not respond to incoming ringing when attached to this port.
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Brother MFC-J3940DW Specifications

General IconGeneral
Card reader integratedNo
Sound power level (printing)65.4 dB
Sound pressure level (printing)50 dB
Scan toE-mail, E-mail Server, FTP, File, Image, OCR, USB
Scan driversSANE, TWAIN, WIA
Scanner typeADF scanner
Duplex scanningYes
Grayscale levels256
Input color depth48 bit
Output color depth24 bit
Input grayscale depth16 bit
Output grayscale depth8 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
N-up printing2, 4, 9, 16
Print technologyInkjet
Maximum resolution4800 x 1200 DPI
Duplex printing modeAuto/Manual
Print speed (ISO/IEC 24734) mono28 ipm
Print speed (ISO/IEC 24734) color21 ipm
Time to first page (black, normal)4.4 s
Time to first page (color, normal)4.6 s
Print speed (black, normal quality, A4/US Letter)- ppm
DisplayLCD
Control typeButtons, Touch
Product colorGray
Display diagonal3.5 \
Market positioningHome & office
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology10/100Base-T(X)
Security algorithms802.1x RADIUS, APOP, SMTP-AUTH, SNMPv3, SSL/TLS
Ethernet LAN data rates10, 100 Mbit/s
Mobile printing technologiesApple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
Printing colorsBlack, Cyan, Magenta, Yellow
Duplex functionsCopy, Fax, Print, Scan
Maximum duty cycle- pages per month
Number of print cartridges4
Copier resize25 - 400 %
Maximum copy resolution600 x 600 DPI
Maximum number of copies999 copies
N-in-1 copy function (N=)2, 4
Time to first copy (black, normal)5 s
Time to first copy (color, normal)6 s
Package depth561 mm
Package width681 mm
Package height493 mm
Package weight26600 g
Quantity per pack1 pc(s)
Paper input typePaper tray
Total input capacity650 sheets
Paper tray 1 input capacity250 sheets
Multi-Purpose tray input capacity100 sheets
Auto document feeder (ADF) input capacity50 sheets
Cables includedPhone
FaxingColor faxing
Fax memory150 pages
Modem speed33.6 Kbit/s
Fax forwarding toE-mail, Fax, PC
Fax speed dialing (max numbers)150
AC input voltage220 - 240 V
Power consumption (off)0.03 W
Power consumption (sleep)0.9 W
Power consumption (copying)29 W
Power consumption (standby)6 W
Envelopes sizesCom-10, DL, Monarch
Photo paper sizes9x13, 10x15, 13x18 cm
Custom media width105 - 297 mm
Custom media length148 - 431.8 mm
Paper tray media typesCoated paper, Envelopes, Glossy paper, Photo paper, Plain paper, Recycled paper
ISO A-series sizes (A0...A9)A3, A4, A5, A6
Maximum ISO A-series paper sizeA3
Multi-Purpose Tray media weight64 - 220 g/m²
Auto Document Feeder (ADF) media weight64 - 120 g/m²
Mac operating systems supportedMac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur
Other operating systems supportedChromeOS
Server operating systems supportedWindows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Windows operating systems supportedWindows 10, Windows 7, Windows 8, Windows 8.1
Weight and Dimensions IconWeight and Dimensions
Depth477 mm
Width576 mm
Height375 mm

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