InkNI TN850-4P Compatible Black Toner Cartridge, 4-Pack

InkNI TN850-4P is a four-pack of compatible black toner cartridges listed for Brother TN850 and TN820 printers. The listing claims up to 8,000 pages per cartridge, so the stated yield is a key consideration for offices and other higher-volume print settings.

At a glance

The listing identifies this as a compatible, black TN850 toner four-pack for a stated range of Brother DCP, HL and MFC models.
The manufacturer claims up to 8,000 pages per cartridge and says the pack can print 32,000 pages in total. Actual yield may vary with use.
The listing describes the cartridges as high yield and specifies plain paper for laser printing.

Price

$48.99Save 18%

Reference price: ~~$59.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Four cartridges provide replacements on hand for repeat printing.
The listed printer-model range includes several Brother DCP, HL and MFC series.
The claimed 8,000-page yield per cartridge may suit regular print workloads.

Technical specifications

14 specifications

Identity
Brand	InkNI
Model	TN850-4P
Cartridge type	Compatible
Package size	4-Pack
Number of packs	4

Print and compatibility
Color	TN850 Black-4P
Ink color	Black
Printer type	Laser
Printer output	single color
Media	Paper (plain)
Page yield	8000

Dimensions and installation
Weight listed	3.22 kg

Warranty
Warranty description	2 Year Manufacturer
Warranty type	limited warranty

What to know before buying

Listing details to confirm

The 8,000-page yield per cartridge and 32,000-page total are manufacturer claims, not verified output. Confirm the exact printer model is listed before ordering. The listing also claims TN820 compatibility in the title and promotional copy, while the detailed printer-model compatibility list names TN850. Its 2-year warranty description and limited-warranty type are not further explained.

What’s in the box

Included

Toner cartridge

Who is it for?

A good fit for

Owners of a listed Brother printer who want a multi-cartridge black toner supply.
Home offices and small businesses with ongoing black-and-white laser printing needs.

Less suited to

Buyers whose printer model is not in the stated compatibility list.
Anyone seeking color toner or a multifunction printer consumable bundle.

InkNI TN850-4P Compatible Black Toner Cartridge, 4-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 56 ratings

5 stars65%65%
4 stars13%13%
3 stars5%5%
2 stars0%0%
1 star17%17%

Aggregate ratings lean positive overall, with many five-star ratings, but a notable one-star share makes the picture less uniform. The supplied information does not explain the reasons behind ratings. For buyers relying on the stated high yield, compatibility and output expectations are important, but the ratings alone do not establish either.

Frequently asked questions

How many cartridges are included?

The listing identifies the package as a four-pack and states four items. The explicit included-components field names toner cartridge.

What is the stated page yield?

The manufacturer claims up to 8,000 pages per cartridge and 32,000 pages across the four-pack. Treat these as claims rather than guaranteed results.

Which Brother printers are listed as compatible?

The detailed list includes selected Brother DCP, HL and MFC models, including DCP L5600DN, HL L5200DW and MFC L5850DW. Check the full compatibility list against your exact printer model.

Does the listing confirm TN820 compatibility?

The title and promotional copy mention TN820, but the detailed printer-model compatibility list is presented for TN850. Confirm the toner number for your printer before purchase.