What Toner Does the Brother MFC-L2820DW Use?

Quick answer: The Brother MFC-L2820DW is a monochrome laser printer, so it uses toner, not ink. It takes a TN830 standard cartridge (~1,200 pages) or a TN830XL high-yield cartridge (~3,000 pages), plus a separate DR830 drum unit rated at roughly 15,000 pages. The drum is a different part with a different lifespan — you will replace several toner cartridges before it needs changing.

CastleScore · October 2026

90/100 — Castle Elite

Brother MFC-L2820DW

Pillar (weight)ScoreWhat it is based on
Owner ratings (28%) 91 4.42★ average across 1,420 ratings at Amazon (4.3), Best Buy (4.6)
Expert reviews (20%) 87 PCMag (MFC-L2820DW XL) 3.5/5
Cost per page (18%) 92 About 2.5¢ per page all-in with our compatible TN830XL toner (3,000 pages) and DR830 drum (15,000 pages).
Reliability (18%) 92 No recurring hardware or connection complaints in owner reviews.
Features (11%) 88 Print, copy, scan, document feeder, auto two-sided printing, fax, Wi-Fi, Ethernet, touchscreen, fast (20+ ppm).
Value (5%) 88 Running cost and owner satisfaction against a street price of about $279

Still sold new. Brother lists it at $279.99.

CastleScore is Castle Ink’s own editorial rating, built from retailer star ratings, expert reviews, real cost per page and owner complaint patterns, checked October 7, 2026. It is not a customer review. See every ranked printer or how the score works.

The toner, pictured

Our own compatible toner, photographed in-house.

Brother MFC-L2820DW Toner Cartridges at a Glance

Cartridge Color Approx. Page Yield
TN830 Black Toner Black ~1,200 pages
TN830XL Black Toner Black ~3,000 pages
Starter toner (in the box) Black ~700 pages
DR830 Drum Unit n/a ~15,000 pages

The Brother MFC-L2820DW takes a single black toner cartridge plus a separate drum unit. The same TN830-series toner and DR830 drum fit a wide slice of Brother's current mono laser line: HL-L2400D, HL-L2405W, HL-L2420DW, HL-L2460DW, HL-L2465DW, HL-L2480DW, HL-L2865DW, DCP-L2640DW, DCP-L2647DW, MFC-L2760DW, MFC-L2807DW, MFC-L2900DW and MFC-L2980DW.

TN850 and TN880 do not fit this printer. They are higher-yield cartridges for Brother's larger HL-L6000 and MFC-L6000 machines. For this printer, buy TN830 (about 1,200 pages) or TN830XL (about 3,000 pages). You may also see TN830V at Costco; it is rated at about 3,300 pages.

How to Replace the Toner in the Brother MFC-L2820DW

  1. Open the front cover and let the machine cool for ten minutes if it has just been printing — the fuser area behind the cartridge runs hot.
  2. Pull the toner cartridge and drum unit out together as one assembly. They come out as a pair on this machine.
  3. Push the green lock lever down to release the toner cartridge from the drum unit, then lift the toner cartridge free.
  4. Unbox the new TN830 or TN830XL cartridge and rock it gently side to side five or six times to distribute the toner evenly. Do not shake it hard, and never open the shutter.
  5. Seat the new toner cartridge into the drum unit until it clicks, then slide the assembly back into the printer.
  6. Slide the green cleaning tab on the drum unit from left to right and back several times, returning it to the home position. Skipping this is the most common cause of vertical lines on Brother mono lasers.
  7. Close the front cover. The counter resets automatically when the machine detects a new cartridge.

Troubleshooting Tips

Vertical lines or streaks down the page: This is usually the drum, not the toner. Open the front cover, pull the drum and toner assembly, and slide the green cleaning tab from side to side several times before returning it to the home position. Reprint before ordering anything.

"Replace Toner" with a cartridge that still prints: Brother's counter is page-based rather than a measurement of remaining toner. Toner Continue Mode lets you keep printing past the warning: Settings > All Settings > General Setup > Replace Toner > Continue.

"Drum End Soon": This refers to the DR830, a separate part from the toner with a much longer life. If print quality is still good you can usually keep going for a while — the counter is a mileage estimate, not a measurement.

Faded print across the whole page: Take the toner cartridge out and rock it gently side to side to redistribute what is left. If that restores the print for a few dozen pages and then it fades again, the cartridge is genuinely finished.

Toner that rubs off the page: The fuser is not bonding the toner properly, usually because the media type in the driver does not match what is loaded. Set the correct paper type first before suspecting a hardware fault.

What MFC-L2820DW owners ask

These are the questions that come up most for this printer on retailer Q&A pages, Brother's support pages and owner reviews, answered in our words.

Does it come with toner?

Yes. The box includes a starter black toner rated at about 700 pages, so plan on buying your first TN830 or TN830XL sooner than you would with a full cartridge.

Do I have to sign up for Brother's Refresh subscription?

No. Refresh is optional, and the starter cartridge works until it is empty whether or not you enroll.

Can it scan both sides of a page automatically?

No. The 50-page document feeder scans one side at a time, up to legal size. It prints two-sided automatically, but it does not scan two-sided.

Can I scan to email or to a USB stick?

Scan to email as a PDF works. Scanning to a USB flash drive is not supported.

Does it work without an internet connection?

Yes. It runs fine over USB or your local network with no internet connection.

MFC-L2820DW quirks worth knowing

  • Two-sided printing is switched on out of the box. If you want single-sided pages, change it in the driver or on the printer.
  • The fax is a 33.6K modem with 400 pages of memory, and you can send faxes straight from a PC (PC-Fax).
  • The DR830 drum is rated at about 15,000 pages, which is roughly 12 standard TN830 cartridges. Most owners replace toner many times before the drum.
  • Owners' most common complaint is noise while printing. It is loud, but that is normal for this machine, not a fault.

Frequently Asked Questions

How are these page yields measured?
To the ISO/IEC standard for the cartridge type, at 5% page coverage on plain paper. That is a deliberately modest amount of coverage, so heavy graphics, photos or dense tables will always yield fewer pages than the rating. The numbers are useful for comparing cartridges against each other, not for predicting your exact month.

I searched for "Brother MFC-J2820DW ink" and ended up here. Why?
Because there is no Brother MFC-J2820DW. Brother's J-series are inkjets and its L-series are lasers, and the machine people are almost always looking for is the MFC-L2820DW — a mono laser that takes TN830 toner, not ink. If your printer badge reads MFC-L2820DW, this page is the right one.

Why does my printer still say "Replace Toner" after I fitted a new cartridge?
Brother's toner counter resets automatically only when it detects a brand new, unused cartridge. A partially-used or previously-installed cartridge will not reset it, and Brother publishes no manual reset procedure for this model. If you need to keep printing in the meantime, Toner Continue Mode is the documented option: Settings > All Settings > General Setup > Replace Toner > Continue.

Does third-party toner void the warranty?
Not the whole warranty. Brother's stated position is that its limited warranty does not cover problems or damage caused by third-party toner, drums or cartridges. That is narrower than "using compatible toner voids your warranty", and in the US the Magnuson-Moss Warranty Act backs that distinction up.

Other printers that use TN830 toner

Brother HL-L2405W · Brother MFC-L2900DW · Brother HL-L2400D · Brother HL-L2420DW · Brother HL-L2460DW · Brother DCP-L2640DW

More Brother ink guides: Brother HL-L2390DW · Brother HL-L3220CDW · Brother MFC-L2710DW · find any printer

Replacing it? Our highest-rated alternatives

Sources

Ratings and prices were checked on October 7, 2026 and will change over time.

Need replacement Brother toner cartridges? Shop Brother toner cartridges at Castle Ink. Compatible, up to 70% less than OEM, and shipped the same day when you order by 4 PM ET.

Written and reviewed by — Founder of Castle Ink, 20+ years in the printer & imaging supplies industry.