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HP Inc

HP 645A Black Original LaserJet Toner Cartridge

$599.60
27 availableas of 09/16/2026

Order within for shipment today

Should arrive by Wed, Sep 30 with free ground shipping

Country of origin

  • Origin: Japan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

Get the best results from your HP printing system by using this Original LaserJet Toner Cartridge. HP Smart Technology and chemically grown toner formula work with you HP Color LaserJet 5500/5550 Series printers to deliver accurate, consistent color and reliable, cost-effective performance. HP Smart Technology provides easy-to-use automatic alerts, on-line ordering and easy installation. Black cartridge yields approximately 13,000 pages.
More from the manufacturer

Technical specifications

General Information

Manufacturer HP Inc.
Manufacturer Part Number C9730A
Manufacturer Website Address http://www.hp.com
Brand Name HP
Product Model 645A (C9730A)
Product Name 645A (C9730A) Toner Cartridge
Product Condition Original
Packaged Quantity 1 Each
Packing Single Pack
Product Type Toner Cartridge

Technical Information

Print Technology Laser
Print Color Black
Typical Print Yield 13000 Pages

Miscellaneous

Additional Information
  • Advanced toner formulation and particle design complement intelligence in the printing system. This ensures that departments and creative workgroups can expect crisp, sharp output every time across a broad range of color documents.
  • New cartridge architecture and HP print cartridge features make supplies easy to order, install, manage, and maintain, making in-house printing more desirable by complementing the versatile, high-performance color capabilities of the printing system.
  • An essential element of reliable HP printing, HP Color LaserJet 5500 printing supplies are engineered to deliver consistently great results every time, enabling professional quality results in-house.
  • HP Color LaserJet 5500 printing supplies help make reliable color printing a comfortable fit-even for cost-conscious budgets-bringing, versatile, quality HP color printing and legendary HP reliability within reach for everyday business printing.
  • Resolution technology: Smart
Compatibility
  • HP Color LaserJet Printer 5500 series
  • HP Color LaserJet Printer 5550 series
  • HP Color LaserJet Printer 5500dn
  • HP Color LaserJet Printer 5500dtn
  • HP Color LaserJet Printer 5500hdn
  • HP Color LaserJet Printer 5500n
  • HP Color LaserJet Printer 5550
  • HP Color LaserJet Printer 5550dn
  • HP Color LaserJet Printer 5550dtn
  • HP Color LaserJet Printer 5550hdn
  • HP Color LaserJet Printer 5550n
Recycled Yes
Recycled Content 17%
Post-consumer-waste% 0%
Assembly Required No
Country of Origin Japan

Warranty

Additional Warranty Information

HP's Premium Protection Warranty. This HP product is warranted to be free from defects in materials and workmanship.

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.