HP

HP Q5942A 42A Black LaserJet Toner Cartridge

4.4 (181 reviews)

Ensure Reliable Printing with the HP 42A Black Toner Cartridge The HP 42A Black Toner Cartridge is designed to deliver high-quality, reliable printing for your HP LaserJet printer. Count on consistent performance and sharp text, ideal for office environments. Specifications: Color: Black ...

$281.89*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Ensure Reliable Printing with the HP 42A Black Toner Cartridge

The HP 42A Black Toner Cartridge is designed to deliver high-quality, reliable printing for your HP LaserJet printer. Count on consistent performance and sharp text, ideal for office environments.

Specifications:

  • Color: Black
  • Yield: Approximately 10,000 pages
  • Compatibility: HP LaserJet 4240, 4250, 4350 Series
  • Recycled Content: 100% of Original HP Toner Cartridges contain recycled content

Key Features

Original HP Ink from America's most trusted brand is engineered to work with HP printers to provide consistent quality, reliability and value

This cartridge works with: HP LaserJet 4240n, 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, 4350tn

Cartridge yield (approx.): 10,000 pages

Use Original HP Toner Cartridges to eliminate toner leaks and premature failures

Buy sustainable—100% of Original HP Toner Cartridges contain recycled content

Help protect your printer from malicious code and maintain the integrity of your data with Original HP's tamper-resistant chips, firmware and packaging

Original HP Toner is committed to office air quality—HP voluntarily designs and tests its printing systems to meet eco-label emissions guidelines

What's in the box: 1 new Original HP 42A Black Toner Cartridge (Q5942A)

Specifications

Product Type
Toner Cartridge
Color
Black
HP Part Number
Q5942A
Cartridge Yield (Approx.)
10,000 pages
Compatible Printers
HP LaserJet 4240n, 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, 4350tn
Recycled Content
100% of Original HP Toner Cartridges

Pros & Cons

👍 Pros

  • Engineered by HP to ensure consistent quality and reliability when paired with compatible HP printers.
  • This cartridge offers an approximate yield of 10,000 pages, supporting high-volume printing needs efficiently.
  • Designed to eliminate toner leaks and prevent premature failures, promoting a smoother printing experience.
  • Manufactured with 100% recycled content, contributing to more sustainable office practices.
  • Features tamper-resistant chips, firmware, and packaging to protect against malicious code and data integrity issues.

👎 Cons

  • This specific toner cartridge is only compatible with a limited range of HP LaserJet 4240n, 4250, and 4350 series printers.
  • The listed page yield of 10,000 is approximate and may vary depending on the specific content printed and usage patterns.
  • Being an original HP cartridge, its purchase price may be higher compared to third-party or remanufactured alternatives.
  • The cartridge is solely for black printing, requiring separate color cartridges for full-color document production.
  • There is no indication of advanced features like smart reordering or specific environmental certifications beyond recycled content.

Frequently Asked Questions

This cartridge is designed to work with HP LaserJet 4240n, 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, and 4350tn printers.
The HP Q5942A toner cartridge has an approximate yield of 10,000 pages, making it suitable for high-volume printing environments.
Yes, using Original HP Toner Cartridges is stated to help eliminate toner leaks and premature failures, contributing to a more reliable printing experience.
Yes, 100% of Original HP Toner Cartridges, including this one, contain recycled content, supporting sustainable practices.
Original HP Toner features tamper-resistant chips, firmware, and packaging that help protect your printer from malicious code and maintain data integrity.