# Brother TN421Y

**Brand:** Brother
**Category:** Papeterie & fournitures
**Code (GTIN/SKU):** 4977766771634
**Canonical URL:** https://openreviews.io/en/reviews/brother/brother-tn421y-4977766771634

## Rating: 3.5/5 ★★★★☆ — 3 reviews analyzed
_Confidence: high_

## At a glance

Brother TN421Y reviews: 3.5/5 based on 3 analyzed reviews, updated November 2, 2026.

Praised: compatibility.

3 reviews analyzed, all published on other sites.
Other sites: 1 source, 3 reviews, average rating 3.5/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This original yellow toner is specifically designed to integrate with compatible Brother laser printers. Users confirm that it installs without any difficulty and works perfectly from the very first use.

## Strengths

- **Compatibility** — The cartridge is perfectly recognized by compatible Brother printers, preventing system errors.

## Frequently asked questions

- What is the lifespan of this toner?
- Are the colors accurate?
- Is it easy to install?
- Which printer models is it compatible with?

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_Source: OpenReviews — https://openreviews.io/en/reviews/brother/brother-tn421y-4977766771634_