Compatible Brother DR720 Drum Unit, compatible cartridge photo

Photos show the compatible cartridge. Images marked OEM show the genuine Brother product for reference.

Compatible Brother DR720 Drum Unit (30,000 pages)

Replaces Brother DR720 · SKU TS-DR720

$35.99

30,000 pages, about 0.1¢ per page

Buying for the office? The price drops with quantity.

2 or more$34.19 eachsave 5%
4 or more$32.39 eachsave 10%
10 or more$30.59 eachsave 15%

Applied automatically in the cart. Mix and match does not apply; the break is per cartridge.

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This compatible DR720 drum unit is rated for about 30,000 pages and replaces the genuine Brother DR720. It holds the TN780, TN750 and TN720 toner cartridges, sold separately. You will go through several toner cartridges before the drum needs replacing. It fits the Brother DCP-8110DN, Brother DCP-8150DN and Brother DCP-8155DN and 14 other Brother models.

Will this fit my printer?

Fits 17 printer models. Pick yours to see everything else it takes.

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Specifications

Replaces OEM number	Brother DR720
Also written as	DR-720
Color	Drum unit
Rated yield	30,000 pages (Drum yield is approximate and varies with pages per job.)
Yield class	Drum yield
Cost per page	0.1¢ at our price
Chip	Not published by Brother
Build	Confirmed with the supplier before launch
Facts checked	2026-09-22 by Dan Whitaker, Print Technician

Specs from acmtech.com.

How to install it

Open the front cover and let the printer cool for a few minutes if it has been printing.
Pull out the drum and toner assembly together, then press down the green lock lever and lift the old cartridge out of the drum.
Unpack the new cartridge and rock it gently side to side five or six times to spread the toner evenly.
Slide the new cartridge into the drum until the lock lever clicks.
Slide the green tab on the drum from left to right three times to clean the corona wire, then return it to the home position.
Put the assembly back in, close the cover, and print a test page.

If something goes wrong

The display still says replace toner

Brother printers count pages rather than measure toner, so the message stays until the counter is reset. Open the front cover, hold the control panel steps for your model, and the count clears.

Full guide

Pages come out blank or very light

Nine times out of ten the sealing tape is still in place or the cartridge needs rocking to spread the toner. Pull the cartridge, check the tape, rock it gently, and reinstall.

Full guide

Streaks or a repeating mark down the page

Streaks usually come from the drum, not the toner. Clean the corona wire if your printer has one, and check the drum count before replacing the cartridge again.

Full guide

Questions about the DR720

How many pages does a DR720 print?

About 30,000 pages. The rating follows Drum yield is approximate and varies with pages per job.. That is a rated average, so heavy graphics use toner faster than plain text.

What if it does not work in my printer?

Send it back. Returns are open for 90 days and that includes opened cartridges that are defective. Shipping is free both ways.

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Before you order

Dan Whitaker, Print Technician, checks the part number, printer list and yield on this page against Brother's published specs. How we check cartridges.

90-day returns, including opened cartridges that are defective. Guarantee and returns. To start a return, email returns@tonerinkworld.com with your order number.

Page updated Sep 22, 2026. Brand names and part numbers are used only to identify compatibility. We are not affiliated with or endorsed by any printer manufacturer.