134A Toner Cartridges with Chip Replacement for HP 134A Black - Twin

In this review the Colorfly 134A toner cartridges are assessed for small offices and home users who need an affordable replacement for HP 134A black toner. The bottom line: these cartridges offer a reliable, high-yield alternative with a built-in chip that makes swapping simple and helps maintain printer compatibility. For those running compatible HP LaserJet M209dw, M234dw or M234sdn models, the twin pack delivers good page yield and predictable print quality at a lower cost than many OEM options.

Key Features

• Compatibility: Designed to work with W1340A 134A black cartridge slots in M209dw, M234dw and M234sdn printers so users get a direct replacement with a chip already installed.
• High Page Yield: Each cartridge yields up to 1100 pages (Letter/A4 at 5% coverage), reducing how often a busy user needs to replace toner.
• Package Value: The twin pack includes two cartridges and a user instruction card, which is convenient for immediate replacement and reduces downtime.
• Quality Control: Colorfly states these cartridges go through quality testing to ensure consistent prints and reduce the risk of streaks or failed jobs.
• Clear Warm Tips: The listing clearly warns these 134A black cartridges are not compatible with HP e series machines such as M234dwe or M234sdne, avoiding common misbuys.

Who It's For

This twin pack is best for home offices, small businesses, or students using the specified HP LaserJet models who want a lower-cost replacement without sacrificing predictable page yield. The built-in chip makes these cartridges an easy swap for anyone who wants quick installation and straightforward compatibility checks.

Those who should look elsewhere include owners of HP e series printers such as M234dwe or M234sdne, since these cartridges are explicitly not compatible, and users seeking factory OEM cartridges who prefer manufacturer-branded supplies for warranty or enterprise fleet requirements.

Pros & Cons

Pros

• Good value twin pack reduces per-cartridge cost for frequent black-and-white printing.
• Built-in chip simplifies installation and helps maintain printer recognition and page count reporting.
• High rated page yield up to 1100 pages per cartridge supports sustained printing needs.
• Clear compatibility guidance reduces the risk of ordering the wrong cartridge for e series machines.

Cons

• Not compatible with HP e series printers (for example M234dwe, M234sdne), so buyers must confirm their model before purchase.
• Third-party cartridge, which some enterprise buyers avoid in favor of OEM supplies for warranty or support reasons.

Specifications

Product Type	134A black toner cartridge replacement (with chip)
Compatible Printers	M209dw, M234dw, M234sdn
Included Items	2 toner cartridges, 1 user instruction card
Page Yield	Up to 1100 pages per cartridge (Letter/A4, 5% coverage)
Compatibility Note	Not compatible with HP e series models such as M234dwe or M234sdne
Brand	Colorfly

Our Verdict

The Colorfly 134A twin pack is a practical choice for individuals and small offices using supported HP LaserJet models who need cost-effective, dependable black toner. With a built-in chip, clear compatibility notes and a competitive page yield, it delivers solid value for routine monochrome printing while avoiding common misbuys for e series machines.

Frequently Asked Questions

Will these cartridges work in my M234dw?
Yes. The cartridges are compatible with M234dw when using the W1340A 134A black cartridge slot and include the required chip.

How many cartridges are included?
This package includes two 134A black toner cartridges and one user instruction card for installation guidance.

Can I use these in HP e series printers?
No. The listing warns these 134A black cartridges are not compatible with HP e series models such as M234dwe or M234sdne.