Brother MFC-L3780CDW Color All-in-One Printer
- 31 pages per minute, color laser
- Single-pass duplex copy and scan, automatic duplex print
- Dual-band Wi-Fi, Gigabit Ethernet and NFC reader
- 250 sheet capacity, two trays
- 3.5 inch touchscreen, app and voice control
- Print, scan, copy and fax
- 1 year limited warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A color laser all-in-one for a small office, with several network options and a large touchscreen. It is large and heavy, and fax appears in the description but not the spec list.
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ASIN: B0CFCW8PGVModel: MFCL3780CDWCategory: Laser Printers
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Overview
A single-pass duplex scanner reads both sides of a page in one trip, while the color laser engine handles the printing. Wi-Fi, Ethernet and an NFC badge reader handle access.
Fast color output, an automatic feeder and a large touchscreen cover most small-office workflows. The machine is bulky, and a subscription program is mentioned in the fine print.
Who it's for
A small team that needs fast color documents, two-sided scanning and secure badge release. Occasional users and cramped desks suit a smaller machine.
Pros and cons
- Same speed in color and black
- Single-pass duplex scanning
- Wi-Fi, Ethernet, USB and NFC
- Touch, app and voice control
- Heavy and bulky
- Fax missing from spec list
- Subscription program mentioned
- Toner yield not listed
Performance notes
Print speed is rated for plain pages, and color and black print at the same rate. A single-pass scanner captures both sides of an original at once, which speeds up two-sided originals. First-page time depends on warm-up.
Where it stands among laser printers
- #1 most-searched brand and model of the 293 laser printers lines we track (by search demand, not sales).
From the specs of the 257 laser printers we list; not a test result.
Specifications
| Brand | Brother |
|---|---|
| Model | MFCL3780CDW |
| Dimensions & fit | |
| Paper Size | 8.5 x 11, 8.5 x 14, 4 x 6 inches |
| Item weight | 47.8 pounds |
| Item Dimensions D x W x H | 16.1 x 18.2 x 15.8 inches (D x W x H) |
| Capacity & performance | |
| Maximum Sheet Capacity | 250 sheets |
| Power & efficiency | |
| Power Consumption | 660 wattshigher than 76% of 51 laser printers |
| Construction & materials | |
| Color Pages per Minute | 31 pages per minute |
| Maximum print Resolution Color | 2400 x 600 dpi |
| Compatibility & installation | |
| Printer Connectivity Type | Ethernet, NFC, USB, Wi-Fi |
| Compatible Cartridge | TN229 series, drum DR229CL |
| Warranty & support | |
| Warranty Description | 1 year limited |
| Other details | |
| Duplex | Automatic |
| Initial Page Print Time | Less than 12.5 seconds |
| Scanner Type | Flatbed, sheetfed |
| Print media | Card stock, envelopes, glossy photo paper, labels, plain paper |
| Number of Trays | 2 |
| Printer Type | Color laser multifunction |
| Control | App, touch, voice |
Closest rivals on specs
HP Color LaserJet Pro MFP 4301fdw All-in-One Printer- Power Consumption 660 vs 585 watts (+13%)
HP LaserJet Pro MFP 3101fdw All-in-One Laser Printer- Item Weight 47.8 vs 23.15 pounds (+106%)
- Power Consumption 660 vs 436 watts (+51%)
HP LaserJet Pro MFP 3101sdw All-in-One Laser Printer- Item Weight 47.8 vs 23.1 pounds (+107%)
- Power Consumption 660 vs 436 watts (+51%)
Frequently asked questions
How big is the Brother MFC-L3780CDW?
The spec list gives 16.1 inches deep, 18.2 inches wide and 15.8 inches high, at 47.8 pounds.
Can the Brother MFC-L3780CDW fax?
The description says it combines copy, scan and fax, and the title omits fax. The additional functions field says all in one.
Does the Brother MFC-L3780CDW work with Alexa?
The title says it works with Alexa, and the control method lists voice.
What toner does it use?
The listing names TN229 series toner cartridges and a DR229CL drum unit.