SKU:

CS-Bro-OEM-TN780-BK

Printer Brand:

Brother

OEM Number:

TN780

Ink Color:

Black

Page Yield:

Black: 12000

Printer Type:

Laser Cartridge

Condition:

New

Frequently Asked Questions

Why does this cartridge fit only four printers?

Because the TN780 was built for one flagship platform and nothing else: the HL-6180DW, HL-6180DWT, MFC-8950DW and MFC-8950DWT — Brother's fastest mono machines of their generation, sold to departments with serious monthly volumes. A cartridge rated at 12,000 pages only makes sense in a machine designed to print at that scale, so Brother never spread the TN780 across its smaller lines. If your printer is one of the four, this is its biggest genuine fill.

At roughly 1.2 cents a page, how is the maths so low?

Scale. $145.99 divided across a 12,000-page rating leaves about 1.2 cents of toner cost on each sheet — cheaper per page than almost any genuine Brother cartridge we sell. The platform's smaller fills cost more per page because their fixed cartridge costs are spread over fewer sheets. Against the TN780's own $218.99 list price you are also paying a third less than the figure on the box.

How many of these will I use before the drum needs changing?

Roughly two and a half. The drum serving these four machines, the DR720, is rated at 30,000 pages, and the TN780 is the largest cartridge that feeds it — so a drum's working span covers about 30,000 pages of printing with this cartridge changed only twice along the way. That pairing is the platform's design intent: minimal interventions of any kind across a very long print run.

Which printers take the TN780?

Just the four flagship models: the HL-6180DW and HL-6180DWT printers and the MFC-8950DW and MFC-8950DWT all-in-ones. No other Brother machine accepts it. If your printer's badge carries one of those four names, you are in the small club this super high-yield cartridge was made for — and the standard and high-yield fills for the same machines exist alongside it if your volume ever drops.

Is there any downside to a 12,000-page cartridge?

Two practical ones. The ticket is higher than the platform's smaller fills, so the money sits in the machine longer; and at genuinely low volumes a cartridge this size could take years to spend, which makes the smaller fills the proportionate buy. It is also a big, heavy cartridge — fitting it is no harder than any other, but it is not a part you tuck into a desk drawer as a spare.

What backs this purchase if something goes wrong?

A return window of 30 days from delivery, applying in all cases — the terms are published on our shipping and returns page — and Brother's manufacturer warranty behind the TN780 as genuine stock. We ship from Illinois, Pennsylvania, Georgia or California, and the support desk runs Monday to Friday, 9 AM to 5 PM CST.

About This Genuine Brother TN780 Super High-Yield Black Toner Cartridge

The TN780 is the super high-yield genuine black for Brother's HL-6180/MFC-8950 flagships: 12,000 rated pages at $145.99 against a $218.99 list — around 1.2 cents a page, the platform's cheapest genuine running cost by a wide margin. For departments printing five figures of pages a year, it is the cartridge the machine was designed around. The smaller fills and the matching drum are stocked in the Brother range at Clever Supplies.