Printing Performance & Media Support
Print Only: Specialized for high-volume color printing in A3 format. 
Print Speeds:
Standard: 22 ipm (mono) / 20 ipm (color) (ISO/IEC 24734)
Fast Mode: Up to 35 ppm (mono) / 27 ppm (color) 
High Resolution: Up to 1,200 × 4,800 dpi. 
Borderless Printing: Supports A3, A4, letters, photo sizes, and more. 
2. Paper Handling
Large Format Support: Accommodates media from A3, Ledger, to various envelope and photo sizes. 
Capacity:
Main Tray: Up to 250 sheets (80 gsm)
Multipurpose Tray: Up to 100 sheets
Output: Up to 100 sheets (A4) or 50 sheets (oversize) 
3. Connectivity & Interface
Interfaces: Hi‑Speed USB 2.0, Wired LAN (Ethernet 10/100 BASE‑TX), Wireless LAN (802.11b/g/n), Wi‑Fi Direct. 
Display & Memory: 2.7‑inch TFT color touchscreen LCD with 128 MB memory. 
Mobile & Cloud Printing: Supports Brother Cloud Apps, WebConnect, AirPrint, Mopria, USB direct printing, and preview of ink status. 
4. Ink System & Economy
Ultra High-Yield Ink Bottles:
Black (BTD60BK): ~6,500 pages
Colours (BT5000 C/M/Y): ~5,000 pages each 
Easy Front Ink Refill: Smart 45° spill-resistant design for fuss-free top-ups. 
5. Efficiency & Environmental Specs
Duplex Printing: Automatic 2-sided support across a wide range of media sizes (including A3). 
First-Page-Out Time: As fast as ~5.5 seconds (mono) / ~6 seconds (color). 
Power Consumption:
Printing: ~20 W
Ready: ~5 W
Sleep: ~1.2 W
Power-Off: ~0.04 W 
Operating Noise: ~50 dB(A).
 
Warranty in India
According to Brother India’s official site, the HL‑T4000DW comes with a 1-year warranty or up to 100,000 pages, whichever comes earlier, with carry-in service.