Brother MFC-J3940DW User Manual

• 24bit Colour
Use to create an image with the most accurate colour reproduction. This mode uses up to 16.8 million
colours to scan the image, but it requires the most memory and has the longest transfer time.
4. Document Size
Select the exact size of your document from a selection of preset scan sizes.
If you select Custom, the Custom Document Size dialog box appears and you can specify the document
size.
5. Auto Crop
Scan multiple documents placed on the scanner glass. The machine will scan each document and create
separate files or a single multi-page file.
6. (MFC-J3940DW) 2-sided Scanning
Scan both sides of the document. When using the Automatic 2-sided Scan feature, you must select the
Long-edge binding or Short-edge binding option from the 2-sided Scanning drop-down list, so when you
turn the pages, they are facing the way you want.
7. Advanced Settings
Configure advanced settings by clicking the Advanced Settings link in the Scanner Setup dialog box.
• Document Correction
- Auto Deskew
Set the machine to correct document skewing automatically as the pages are scanned from the
scanner glass.
- Margin Settings
Adjust your document's margins.
- Rotate Image
Rotate the scanned image.
- Edge Fill
Fill in the edges on four sides of the scanned image using the selected colour and range.
- Skip Blank Page
Remove the document's blank pages from the scanning results.
• Image Quality
- Diffusion Adjustment -Grey
Adjust the diffusion when selecting the Grey (Error Diffusion) option from the Color Setting drop-
down list.
- Colour Tone Adjustment
Adjust the colour tone.
- Background Processing
• Remove Bleed-through / Pattern
Prevent bleed-through.
• Remove Background Colour
Remove the base colour of documents to make the scanned data more legible.
- Colour Drop
Select a colour to remove from the scanned image.
- Edge Emphasis
Sharpen the characters in the original.
- Reduce Noise
Improve and enhance the quality of your scanned images with this selection. The Reduce Noise
option is available when selecting the 24bit Colour option and the 300 x 300 dpi, 400 x 400 dpi, or
600 x 600 dpi scan resolution.
• B&W Image Quality
- B&W Threshold Adjustment
150

Brother MFC-J3940DW Specifications

General

Card reader integrated	No
Sound power level (printing)	65.4 dB
Sound pressure level (printing)	50 dB
Scan to	E-mail, E-mail Server, FTP, File, Image, OCR, USB
Scan drivers	SANE, TWAIN, WIA
Scanner type	ADF scanner
Duplex scanning	Yes
Grayscale levels	256
Input color depth	48 bit
Output color depth	24 bit
Input grayscale depth	16 bit
Output grayscale depth	8 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
N-up printing	2, 4, 9, 16
Print technology	Inkjet
Maximum resolution	4800 x 1200 DPI
Duplex printing mode	Auto/Manual
Print speed (ISO/IEC 24734) mono	28 ipm
Print speed (ISO/IEC 24734) color	21 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
Display	LCD
Control type	Buttons, Touch
Product color	Gray
Display diagonal	3.5 \
Market positioning	Home & office
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100Base-T(X)
Security algorithms	802.1x RADIUS, APOP, SMTP-AUTH, SNMPv3, SSL/TLS
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
Printing colors	Black, Cyan, Magenta, Yellow
Duplex functions	Copy, Fax, Print, Scan
Maximum duty cycle	- pages per month
Number of print cartridges	4
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	999 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 depth	561 mm
Package width	681 mm
Package height	493 mm
Package weight	26600 g
Quantity per pack	1 pc(s)
Paper input type	Paper tray
Total input capacity	650 sheets
Paper tray 1 input capacity	250 sheets
Multi-Purpose tray input capacity	100 sheets
Auto document feeder (ADF) input capacity	50 sheets
Cables included	Phone
Faxing	Color faxing
Fax memory	150 pages
Modem speed	33.6 Kbit/s
Fax forwarding to	E-mail, Fax, PC
Fax speed dialing (max numbers)	150
AC input voltage	220 - 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 sizes	Com-10, DL, Monarch
Photo paper sizes	9x13, 10x15, 13x18 cm
Custom media width	105 - 297 mm
Custom media length	148 - 431.8 mm
Paper tray media types	Coated 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 size	A3
Multi-Purpose Tray media weight	64 - 220 g/m²
Auto Document Feeder (ADF) media weight	64 - 120 g/m²
Mac operating systems supported	Mac 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 supported	ChromeOS
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1

Weight and Dimensions

Depth	477 mm
Width	576 mm
Height	375 mm