Cartridge family
HP 645A
Compatible toner cartridges for HP printers. Compare available variants, pricing, specifications, and matching printer models.
Products
Products in the HP 645A family
Compare products by price, color, yield, cartridge number, OEM replacement number, and compatible printer models.
tonerInStock
HP C9732A C9730A C9731A C9733A 4 Combo
Replaces 645A, C9732A, C9730A, C9731A, C9733A, C9730, 3A
$341.96View
Printer links
Related HP printer pages
Printer pages help confirm the exact model before choosing a cartridge or toner listing.
HP Color LaserJet 5500
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5500dn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5500dtn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5500hdn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5500n
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5550
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5550dn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5550dtn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5550hdn
Open the printer page for compatible products and cartridge details.
HP Color LaserJet 5550n
Open the printer page for compatible products and cartridge details.
Cartridge guide
How to shop HP 645A supplies
HP 645A is organized as a HP compatible toner cartridges family with 5 product variants and 10 related printer model links. Example matching printer pages include HP Color LaserJet 5500, HP Color LaserJet 5500dn, HP Color LaserJet 5500dtn, HP Color LaserJet 5500hdn, HP Color LaserJet 5500n, HP Color LaserJet 5550. Replacement references collected here include C9730A, C9731A, 645A, C9732A, C9733A, C9730, 3A.
Use this page when the cartridge number, family name, or OEM reference is the starting point. Compare product cards when they are available, or open a related printer page to confirm compatibility by model.
The product cards above open product pages with specifications, pricing, related products, and compatible printer models.
Family facts
HP 645A page details
- Product variants
- 5
- Related printer pages
- 10
- Supply type
- toner cartridges
- Lowest listed price
- $91.99
- Colors listed
- black, cyan, yellow, magenta
- Replacement references
- C9730A, C9731A, 645A, C9732A, C9733A, C9730, 3A
- Yield options
- 13000 pages, 12000 pages
- Example printer pages
- HP Color LaserJet 5500, HP Color LaserJet 5500dn, HP Color LaserJet 5500dtn, HP Color LaserJet 5500hdn, HP Color LaserJet 5500n, HP Color LaserJet 5550
Match your printer model, cartridge number, color, yield, and any regional or suffix details. Firmware updates and chip authentication may affect some compatible cartridges.
InkToYou is independent and uses manufacturer names only to identify compatibility.
FAQ
HP 645A compatibility questions
What printers use HP 645A?
HP 645A links to 10 related HP printer pages on InkToYou. Use the printer links on this page to confirm your exact model.
How do I choose the right HP 645A product?
Compare the product cards by color, yield, pack size, cartridge number, and replacement OEM number before choosing.
Are these original HP cartridges?
No. InkToYou lists independent compatible replacement supplies. HP names and cartridge numbers are used only to describe compatibility.