About Brother MFC-L3770CDW Replacement Parts
The Brother MFC-L3770CDW is a high-performance machine designed for demanding environments. Maintaining peak performance requires high-quality consumables and precision-engineered parts. All components listed below are verified against original OEM specifications to ensure 100% compatibility. Not sure which part number you need? Contact our technical team for a free consultation.
OPC Drums
1 part foundOPC Drum
Fuser Rollers
4 parts foundUpper Fuser Roller
Lower Pressure Roller
Upper Fuser Roller
Lower Pressure Roller
Waste Toner Bottles
1 part foundWaste Toner Box
Frequently Asked Questions — Brother MFC-L3770CDW Parts
About the Brother MFC-L3770CDW
The Brother MFC-L3770CDW is the flagship high-performance model of the color LED series, engineered to deliver top-tier productivity and professional-grade versatility for demanding small offices. Delivering a robust 25 ppm, it is distinguished by its standard Single-Pass Dual Scan document feeder, which captures both sides of a page simultaneously at high speeds. The MFC-L3770CDW features a versatile 30-sheet multipurpose tray for seamless printing on envelopes and specialized media, along with built-in NFC for immediate mobile pairing. With its large 3.7-inch touch screen, standard wireless and gigabit ethernet, and robust security features, it provides a comprehensive 4-in-1 solution that handles complex document workflows with ease. Utilizing Brother's premier LED technology, the MFC-L3770CDW is the ultimate desktop powerhouse for Producing high-impact color reports, marketing materials, and digital conversions.
Core Performance Specifications
- Device Type: Color LED Multifunction Printer (Print, Copy, Scan, Fax)
- Print Speed: Up to 25 ppm (Color and Monochrome)
- Print Resolution: Up to 600 x 2400 dpi
- First Page Out Time: Less than 14 seconds
- Monthly Duty Cycle: Up to 30,000 pages
- Processor/Memory: 800 MHz / 512 MB
Paper Handling and Media
- Standard Paper Capacity: 280 sheets
- Main Tray: 250 sheets
- Multipurpose Tray: 30 sheets
- Document Feeder: 50-sheet Single-pass Duplex scanning feeder (DSDF)
- Media Sizes: Up to 8.5" x 14" (Legal) through trays; supports envelopes and labels
- Paper Weight: 16 to 43 lb. (Trays); up to 163 g/m²
- Two-Sided Output: Standard automatic duplexing (Print/Scan/Copy/Fax)
Scanning and Copying Features
- Scan Speed: Up to 29 ipm (Simplex) / 56 ipm (Duplex) in B&W
- Scan Resolution: Up to 1200 x 2400 dpi (Optical)
- Mobile Integration: Built-in NFC for "Touch to Print/Scan" with compatible mobile devices
- Scan Destinations: Email, FTP, SMB, USB, and Cloud (Direct integration)
- User Interface: 3.7-inch Color multi-touch interface
Connectivity and Security
- Network Interface: Ethernet 10/100/1000Base-TX, Wi-Fi 802.11b/g/n, NFC
- Supported PDLs: PCL 6, BR-Script 3 (PostScript 3 compatible), PDF Direct v1.7
- Security: Secure Print, Active Directory integration, and Secure Function Lock
- Mobile Support: Apple AirPrint, Mopria, Wi-Fi Direct, and Brother iPrint&Scan
Physical Dimensions
- Width: 410 mm (16.1 in.)
- Depth: 509 mm (20.0 in.)
- Height: 414 mm (16.3 in.)
- Weight: Approximately 24.5 kg (54.0 lb)
- Sustainability: Energy Star compliant; designed for efficient high-volume office use





