Toner cartridges for Brother MFC-L3740CDW - compatible and original OEM

Brother MFC-L3740CDW – a compact color laser all‑in‑one for everyday work

Brother MFC-L3740CDW (also searched as Brother MFCL3740CDW, MFC L3740 CDW, or MFC‑L3740 cdw) is a modern color laser multifunction printer designed for home offices and small businesses that need reliable printing, copying, and scanning in one device. To keep quality high and downtime low, it’s essential to choose the right toner for printer Brother MFC-L3740CDW and the correct maintenance components such as drum units, waste toner tanks, and transfer units.

What you’ll find in this category: toner, color sets, and key maintenance parts

On this page we’ve gathered everything you need for the Brother MFC L Series model MFC-L3740CDW—both Original OEM supplies and our proven Compatible alternatives. This category focuses on laser consumables and supporting components that directly affect print quality, color accuracy, and trouble‑free operation.

• Toners – black and color cartridges for crisp text and vivid graphics.
• Color (CMYK sets / multipacks) – convenient bundles for balanced, cost‑effective printing.
• Drum Units – responsible for transferring toner to the page; crucial for clean, sharp output.
• Waste Toner Tanks – collects excess toner; prevents spills and error messages.
• Transfer Units – stabilizes the color transfer process for consistent results across pages.

If you’re also looking for the machine itself, the category includes the All‑in‑One Printer Brother MFC-L3740CDW, so you can complete your setup in one place.

Popular choices for Brother MFC-L3740CDW – compatible and Original OEM

We keep the offer broad so you can match your printing style—occasional home use, frequent office documents, or color-heavy materials. Here are some of the most popular options customers choose when searching for toner for Brother MFC-L3740CDW:

• Compatible Toners TN-248 XLVAL for Brother (DT-TB-248XL/K) (multi pack) – an XL multipack for users who print a lot and want fewer replacements.
• Compatible Toner TN-248 XLBK for Brother (DT-TB-248XLK) (Black) – high-yield black toner for busy document workflows.
• Original OEM Toners Brother TN-248VAL (TN248VAL) (multi pack) – the official OEM set for consistent brand-standard results.
• Compatible Toners TN-248VAL for Brother (DT-TB-248/K) (multi pack) – a practical set for everyday color printing with excellent value.
• Original OEM Toner Brother TN-248 XLBK (TN248XLBK) (Black) and Original OEM Toner Brother TN-248BK (TN248BK) (Black) – OEM black options depending on your expected page volume.
• Compatible Toner TN-248BK for Brother (DT-TB-248K) (Black) – a cost-effective choice for sharp text and clean lines.
• Compatible Toner TN-248 XLC / XLM / XLY (Cyan/Magenta/Yellow) – for graphics, charts, and presentations where color matters.
• Original OEM Toner Brother TN-248 XLC (TN248XLC), TN-248 XLM (TN248XLM), TN-248 XLY (TN248XLY) and standard-yield TN-248C / TN-248M / TN-248Y – OEM color toners for users who prefer official supplies.
• Original OEM Drum Unit Brother DR-248CL (DR248CL) – a key component when print quality drops or you see repeating marks.
• Original OEM Waste Toner Tank Brother WT-229CL (WT229CL) – helps avoid “waste toner full” alerts and keeps the printer clean inside.
• Original OEM Transfer Unit Brother BU-223CL (BU-223CL) and BU-229C (BU229CL) – for stable color transfer and consistent output over time.

How to choose the right toner for Brother MFC-L3740CDW (and avoid common issues)

When selecting toner for printer Brother MFC-L3740CDW, we recommend thinking about two things: how much you print and what you print most often.

• Print volume: if you print frequently, consider XL toners (like TN‑248 XLBK or XL multipacks). They reduce the frequency of replacements and are usually more economical per page.
• Color vs. black: for text-heavy work (invoices, shipping labels, reports), a higher-yield black toner is often the priority. For marketing materials and presentations, keep a balanced CMYK set on hand.
• Maintenance parts matter: if you experience faint prints, streaks, repeating spots, or uneven color blocks, it may not be the toner. A drum unit, transfer unit, or waste toner tank could be the real cause.

Typical user-reported situations with the MFC‑L3740CDW family include:

• “Prints are pale or patchy” – often solved by replacing the correct color toner, but sometimes the drum unit DR-248CL is due.
• “Streaks or repeated marks” – can indicate a worn drum or a dirty internal path.
• “Waste toner tank full” message – replace WT-229CL to restore operation and prevent leaks.
• “Colors look inconsistent” – the transfer unit BU-223CL / BU-229CL can be a key factor in long-term color stability.

Original OEM vs Compatible – what’s the difference, and what do we recommend?

Many customers ask us whether to choose Original OEM supplies or Compatible ones. OEM cartridges are manufacturer-branded and are a great choice if you want to stick to official supplies across the board.

At the same time, our compatible toner for Brother MFC-L3740CDW is designed to deliver results that are as good as originals—sharp text, strong blacks, and clean color transitions—while offering an excellent price-to-performance ratio. If you’re looking to reduce printing costs without sacrificing quality, compatible TN‑248 options are a smart and safe choice.

Order today – keep your Brother MFC-L3740CDW ready to print

We encourage you to explore our full selection of toner for Brother MFC-L3740CDW, including compatible and Original OEM cartridges, plus the essential maintenance parts that keep your all‑in‑one running smoothly. Add your chosen toner, drum unit, waste toner tank, or transfer unit to the cart and enjoy a straightforward ordering process.

If you’re unsure which item you need (TN‑248 vs TN‑248XL, multipack vs single color, or whether the issue is toner or drum), contact us—our team will help you match the right product to your Brother MFCL3740CDW. We also offer fast delivery options so you can get back to printing without unnecessary delays.

CTA: Browse the available toners and maintenance supplies for Brother MFC-L3740CDW now, or reach out to us for quick, friendly assistance with your selection.