HP

HP Q5421A LaserJet 4250/4350 110V Maintenance Kit

4.8 (15 reviews)

Keep Your HP LaserJet Running Smoothly Ensure the continued performance and reliability of your HP LaserJet printer with the Q5421A Maintenance Kit. This kit includes essential replacement parts to keep your printer operating at its best, minimizing downtime and maintaining print quality. Speci...

$329.50*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Keep Your HP LaserJet Running Smoothly

Ensure the continued performance and reliability of your HP LaserJet printer with the Q5421A Maintenance Kit. This kit includes essential replacement parts to keep your printer operating at its best, minimizing downtime and maintaining print quality.

Specifications:

  • Brand: HP
  • Model: Q5421A
  • Compatibility: HP LaserJet 4250 / 4350 Series
  • Voltage: 110v

Key Features

Print Technology: Laser

Print Color: Black

Typical Print Yield: 225000 Pages

Input Voltage: 110 V

Compatibility: HP LaserJet Printers: 4240 4250 4350 Series

Specifications

Print Technology
Laser
Print Color
Black
Typical Print Yield
225,000 Pages
Input Voltage
110 V
Compatibility
HP LaserJet 4240, 4250, 4350 Series Printers

Pros & Cons

👍 Pros

  • Offers an exceptionally high typical print yield of 225,000 pages, significantly extending the time between maintenance cycles.
  • Designed with laser print technology, ensuring crisp, professional-quality black prints.
  • Specifically compatible with HP LaserJet Printers from the 4240, 4250, and 4350 Series, ensuring perfect fit and function.
  • Operates on a standard 110V input voltage, suitable for typical office and home electrical systems in many regions.
  • A maintenance kit helps to ensure the longevity and consistent performance of compatible HP LaserJet printers.

👎 Cons

  • Compatibility is limited only to specific HP LaserJet 4240, 4250, and 4350 Series printers, not universal for all HP models.
  • The print yield is listed as "typical," meaning actual yield may vary based on usage, print content, and environmental conditions.
  • Operates only on 110V input, requiring a voltage converter for use in regions with 220V/240V electrical systems.
  • The kit is designed for black laser printing, and does not address color printing maintenance needs.
  • Maintenance kits typically require some technical knowledge or professional installation, which might not be suitable for all users.

Frequently Asked Questions

This HP Q5421A LaserJet Maintenance Kit offers a high typical print yield of 225,000 pages, designed for extended printer operation.
This kit is compatible with HP LaserJet Printers from the 4240, 4250, and 4350 Series, ensuring it fits specific models.
The maintenance kit operates on a 110V input voltage, making it suitable for electrical systems providing that power.
This kit is designed for laser print technology, specifically for black ink printing, helping maintain the quality of your laser prints.
Yes, a maintenance kit like this helps ensure the consistent quality and reliability of your HP LaserJet printer over its lifespan by replacing key components.