Brother MFC-L3720CDW toner cartridges

The Brother MFC-L3720CDW uses Brother TN229 / TN229XL / TN229XXL toner in black, cyan, magenta and yellow — genuine Brother only, from $67.15.

Which cartridge fits the Brother MFC-L3720CDW

• Brother TN229 Black Toner Cartridge — TN229BK, 1,500 pages, $67.15
• Brother TN229 Cyan Toner Cartridge — TN229C, 1,200 pages, $72.25
• Brother TN229 Magenta Toner Cartridge — TN229M, 1,200 pages, $72.25
• Brother TN229 Yellow Toner Cartridge — TN229Y, 1,200 pages, $72.25
• Brother TN229XL Black High-Yield Toner Cartridge — TN229XLBK, 3,000 pages, $81.60
• Brother TN229XL Cyan High-Yield Toner Cartridge — TN229XLC, 2,300 pages, $105.40
• Brother TN229XL Magenta High-Yield Toner Cartridge — TN229XLM, 2,300 pages, $105.40
• Brother TN229XL Yellow High-Yield Toner Cartridge — TN229XLY, 2,300 pages, $105.40
• Brother TN229XXL Black Super High-Yield Toner Cartridge — TN229XXLBK, 4,500 pages, $108.80
• Brother TN229XXL Cyan Super High-Yield Toner Cartridge — TN229XXLC, 4,000 pages, $137.70
• Brother TN229XXL Magenta Super High-Yield Toner Cartridge — TN229XXLM, 4,000 pages, $137.70
• Brother TN229XXL Yellow Super High-Yield Toner Cartridge — TN229XXLY, 4,000 pages, $137.70

Standard vs high-yield

Brother TN229 — 1,500 pages, $67.15; Brother TN229XL — 3,000 pages, $81.60; Brother TN229XXL — 4,500 pages, $108.80. The larger cartridges cost more up front but print more pages per dollar — if you print more than a few hundred pages a month, the higher-yield option usually has the lowest cost per page.

The Brother MFC-L3720CDW is a color laser: it needs a black cartridge plus cyan, magenta and yellow. Each color runs out at its own pace, so you can replace them one at a time or buy a set.

Why use genuine Brother toner

Original Brother cartridges are built and tested for the Brother MFC-L3720CDW: the printer reads toner levels correctly, print quality and page yield match Brother's ratings, and your printer warranty is not affected. Every cartridge we sell is factory-sealed original Brother — never refilled, never compatible.

Save with multipacks

• Brother TN229 Toner Cartridge CMYK 4-Pack — TN229-CMYK, $255

FAQ

How do I know which cartridge my Brother MFC-L3720CDW takes?

Check the model number on the printer's front panel or the label on the old cartridge; the cartridges listed above are the ones Brother specifies for this printer.

Can I use a compatible or refilled cartridge?

You can, but page yield, print quality and level reporting vary. We only sell original Brother cartridges.

How fast do you ship?

Free shipping across the USA; orders placed before 2 PM ET ship the same day.