Printer compatibility
Printers That Use HP 645A
Check whether HP 645A works with your exact HP printer model.
Compatible printer models
HP printers that use HP 645A
Each printer model opens a page with compatible products, replacement numbers, and cartridge details.
Products
HP 645A compatible product options
Use product pages for price, cartridge number, yield, OEM replacement number, and same-family alternatives.
tonerInStock
HP C9732A C9730A C9731A C9733A 4 Combo
Replaces 645A, C9732A, C9730A, C9731A, C9733A, C9730, 3A
$341.96View
Shopping guide
Confirm model, cartridge number, and yield
HP 645A includes 10 HP printer model pages on InkToYou. The largest series groups here are color laserjet (10). The page also connects to 5 product options for price, cartridge-number, and yield checks.
Use this compatibility page when your search starts with a cartridge number. Open your printer model, then compare product pages by color, page yield, pack size, and replacement OEM number.
Compatibility facts
HP 645A model coverage
- Printer model links
- 10
- Product options
- 5
- Supply type
- toner cartridges
- Lowest listed price
- $91.99
- Top series groups
- color laserjet (10)
- Replacement references
- C9730A, C9731A, 645A, C9732A, C9733A, C9730, 3A
- Yield options
- 13000 pages, 12000 pages
InkToYou is independent from printer manufacturers. Brand names, printer model names, and cartridge numbers appear only to help identify compatible replacement supplies.
FAQ
HP 645A printer compatibility questions
Which printers use HP 645A?
HP 645A is linked to 10 HP printer model pages on InkToYou. Choose your exact model from the list before buying.
Can I shop HP 645A by printer model instead?
Yes. Open any printer model page below to see compatible products, replacement numbers, and same-series printer links.
Are these original HP supplies?
No. InkToYou lists independent compatible replacement supplies. HP names are used only to describe compatibility.