Brother MFC-J2740DW is an all-in-one color inkjet printer known for its versatility, including A3 printing capabilities and efficient paper handling. It is a wireless model that can print, scan, copy, and fax. 

Key features
Functions: The MFC-J2740DW is a multifunction machine, handling printing, scanning, copying, and faxing.
A3 printing: This model is capable of printing and handling paper up to A3 (Ledger) size, a significant step up from standard A4 printers.
Automatic duplex (two-sided) printing and scanning: It saves paper and time with automatic 2-sided printing and features a 50-sheet Automatic Document Feeder (ADF) for scanning and copying two-sided documents.
High-capacity paper trays: The printer is designed for high-volume use with a total capacity of up to 600 sheets from two main paper trays (250 sheets each) and a 100-sheet multi-purpose tray for special media like envelopes or cardstock.
Ink and running costs: It uses Brother's high-yield InkBenefit cartridges (LC462XL) to offer cost-efficient printing. The black cartridge provides a yield of up to 3,000 pages, while the color cartridges yield up to 1,500 pages each.
Connectivity: Connect your devices with versatile options, including built-in Wi-Fi, Ethernet, and USB 2.0. It also supports mobile printing technologies like AirPrint and Mopria.
Touchscreen display: A 3.5-inch color LCD touchscreen allows for effortless navigation of printer functions and settings.
Fast performance: It offers print speeds of up to 28 images per minute (ipm) for both monochrome and color documents, with a quick First Print Out Time (FPOT) of around 4.4 seconds for monochrome. 

Ideal users
The MFC-J2740DW is an excellent choice for small to medium-sized offices and businesses that require the ability to print, scan, and copy on larger A3 paper. It's also suitable for users who need a high-capacity, feature-rich printer for various tasks, including two-sided document handling. 
Considerations