β In Stock & Ready to Ship
π¨οΈ 3 Toners + 1 Drum β Best Value
πͺ US Vendor β ABT
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What's Included β 4-Piece Combo Pack
Items 1, 2 & 3 β Toner
Brother TN850
3 Γ ~8,000 pages = ~24,000 total
Item 4 β Drum Unit
Brother DR820
~30,000 pages
4-Piece Value Kit
3 toners & 1 drum β fully stocked
24K Toner + 30K Drum
3 high-yield toners & 1 long-life drum
ISO 9001 & 14001 Certified
World-class quality & environmental standards
Lower Cost-Per-Page
Significant savings vs OEM replacements
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ISO 9001 & ISO 14001 Certified Manufacturing
All three TN850 toner cartridges and the DR820 drum unit in this combo are produced in facilities certified to the world's leading quality and environmental management standards β ensuring consistent print quality, reliable drum performance, and responsible production from the first page to the last.
ISO 9001 β Quality Management
ISO 14001 β Environmental Management
Product Specifications
Toner Part No.
TN850 / TN-850
Also Replaces
TN820 / TN-820
Drum Part No.
DR820 / DR-820
Yield Per Toner
~8,000 pages
Combined Toner Yield
~24,000 pages
Pack Contents
3 Toners + 1 Drum
Cartridge Type
Compatible (Aftermarket)
Coverage Basis
5% avg. page
Why Choose This TN850 3-Pack + DR820 Combo?
This compatible Brother TN850 and DR820 combo is the ultimate value kit for high-volume Brother laser printer users β three high-yield TN850 toner cartridges plus one DR820 drum unit, all in a single order. With 8,000 pages per toner cartridge, the three TN850s deliver a combined 24,000 pages of sharp, dense black output. The DR820 drum is rated for an impressive 30,000 pages, outlasting multiple toner cycles and keeping your printer performing like new.
Stocking up with a 3-pack means fewer reorders, a lower cost-per-page, and zero printing interruptions. Both components are produced in ISO 9001 & ISO 14001 certified facilities, engineered for precise fit and consistent performance across all compatible Brother HL, DCP, and MFC laser printers.
Key Features & Benefits
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Maximum Value β 3 Toners + 1 Drum in One Order β Three TN850 cartridges (24,000 combined pages) plus one DR820 drum (30,000 pages) β everything you need to keep printing for months without reordering.
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24,000 Pages of High-Yield Toner Output β Each TN850 delivers ~8,000 pages of sharp, smudge-resistant black output. Three cartridges means you're stocked well beyond a single drum cycle.
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Long-Life Drum Unit β 30,000 Pages β The DR820 drum is engineered for extended life, maintaining consistent print quality across all three toner cartridge cycles and beyond.
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ISO 9001 & ISO 14001 Certified Production β All components manufactured under the world's most recognized quality and environmental management standards.
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Plug-and-Play Drop-In Fit β Direct OEM-equivalent replacements for Brother TN-850 and DR-820; install in seconds with no printer resets or firmware issues.
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Printer Warranty Safe β Using compatible cartridges does not void your Brother printer warranty under the Magnuson-Moss Warranty Act.
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Eco-Friendly Manufacturing β ISO 14001 certified facilities and responsible production practices reduce environmental impact versus OEM single-use components.
Compatible Brother Printer Models
This TN850 + DR820 combo pack is compatible with the following Brother laser printers:
DCP-L5500DN
DCP-L5600DN
DCP-L5650DN
HL-L5000D
HL-L5100DN
HL-L5200DW
HL-L5200DWT
HL-L6200DW
HL-L6200DWT
HL-L6250DN
HL-L6250DW
HL-L6300DW
HL-L6300DWT
HL-L6400DW
HL-L6400DWG
HL-L6400DWT
HL-L6400DWX
MFC-L5700DW
MFC-L5705DW
MFC-L5750DW
MFC-L5800DW
MFC-L5850DW
MFC-L5900DW
MFC-L6700DW
MFC-L6750DW
MFC-L6800DW
MFC-L6900DW
MFC-L6900DWT
MFC-L6900DWX
MFC-L6950DW
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Sold & Fulfilled by Advanced Business Technology (ABT)
US-based vendor β fast domestic shipping & US customer support
Frequently Asked Questions
What's included in this combo pack?
You receive three (3) compatible Brother TN850 high-yield black toner cartridges (each rated for approximately 8,000 pages, 24,000 pages combined) and one (1) compatible Brother DR820 drum unit (rated for approximately 30,000 pages).
What's the difference between a toner cartridge and a drum unit?
The toner cartridge (TN850) holds the toner powder that creates the image on the page. The drum unit (DR820) is a separate component that transfers that toner onto the paper. On Brother laser printers, these are two distinct replaceable parts β and they wear at different rates. The drum typically lasts through several toner cartridge cycles, which is why the DR820 is rated for 30,000 pages versus the TN850's 8,000 pages. With three TN850s in this pack, you have enough toner to cover nearly the full life of the drum.
How do I know when to replace the drum vs the toner?
Your Brother printer will display separate low warnings for each component. A "Toner Low" or "Replace Toner" message means the TN850 needs replacing. A "Drum End Soon" or "Replace Drum" message means it's time for the DR820. Having both on hand eliminates any wait time when either warning appears.
What do the ISO certifications mean for print quality?
ISO 9001 certification means the manufacturing facility operates under a rigorous quality management system β ensuring consistent output, tight tolerances, and reliable page yield batch after batch. ISO 14001 confirms environmentally responsible production practices.
Does using compatible toner and drum void my Brother printer warranty?
No. Under US federal law (Magnuson-Moss Warranty Act), manufacturers cannot void your warranty simply because you use compatible aftermarket components.