HP Q5951A (HP 643A) ColorSphere Cyan Laser Toner Cartridge (10K YLD)

Experience vibrant and true-to-life cyan printing with the HP Q5951A (HP 643A) ColorSphere Cyan Laser Toner Cartridge. Designed for professional-quality results, this toner cartridge is perfect for businesses and offices that demand exceptional color printing.

With an impressive page yield of 10K, the HP Q5951A cartridge allows you to produce a large volume of high-quality prints before needing a replacement. This ensures uninterrupted printing and increased productivity, making it an ideal choice for busy workgroups and offices with demanding print requirements.

The ColorSphere toner technology utilized in the HP Q5951A cartridge delivers vibrant and vivid cyan prints. From colorful graphics and images to eye-catching marketing materials, you can count on this cartridge to deliver exceptional color accuracy, sharpness, and detail, enhancing the impact of your printed materials.


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Features & Compatibility


Color(s) of print cartridges


Print technology


Page yield (colour)

~10,000 pages

Page yield footnote

Approximate yield based on 5% average coverage. Actual yields vary considerably based on content of printed pages and other factors.

Operating temperature range

50 to 81°F

Storage temperature range

-4 to 104°F

Operating humidity range

10 to 70% RH

Storage humidity

10 to 90% RH

Recycled content in cartridge


Package dimensions (W x D x H)

15.75 x 5.83 x 10.55 in

Package weight

4.84 lb


This HP product is warranted to be free from defects in materials and workmanship.

What’s in the box

Toner cartridge; Recycling guide

Additional information



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