HP Photosmart 7450 Ink Cartridges
Your HP Photosmart 7450 uses the HP 56 and 57 ink cartridges series. Ink Depot has been supplying reliable consumables for this printer since Aug 2026. Designed primarily for home photo printing and everyday documents, this thermal inkjet printer relies on tri-colour technology for smooth tonal gradients. Replacing 56 (C6656AA) black and 57 (C6657AA) colour cartridges together via combo packs helps ensure balanced ink depletion across multi-page photo projects. Our 4.8 Google rating reflects a long-standing track record of premium cartridge performance.
Expected page output and ink usage
Page output for HP 56 (C6656AA) black cartridges is rated at 450 pages, while the 57 (C6657AA) tri-colour cartridge yields up to 400 pages based on ISO/IEC standards at 5% page coverage. Actual yield varies based on image density during photo printing.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 56 | Standard | Black | 450 | $0.038 |
| 57 | Standard | Colour | 400 | $0.072 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Compatible cartridges.
Choosing compatible ink cartridges
Using high-grade compatible HP 56 and 57 cartridges offers substantial cost savings without compromising photo clarity or document sharpness. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Learn more about performance standards in our genuine vs compatible cartridges guide.
How to order and save on replacements
For regular document printing, purchasing 56 (C6656AA) black cartridges individually keeps running costs low. If printing colour photographs or graphics, bundle packs containing both 56 and 57 (C6657AA) cartridges deliver the best value. All compatible products are backed by a money back guarantee if they do not perform to expectations. Check our returns policy for complete peace of mind. Free delivery applies on all orders over $99, dispatched quickly from our central warehouses in Perth, Brisbane, Sydney, Melbourne, and Adelaide. Browse our full range of HP ink cartridges.
Pro Tip
When printing graphics or photographs, tri-colour 57 (C6657AA) cartridges deplete ink based on the most dominant shade used; purchasing 56/57 combo twin-packs guarantees you always have a spare black and colour cartridge ready before starting multi-page print runs.
Frequently Asked Questions
Can I use photo cartridges like the HP 58 alongside the HP 57 in the Photosmart 7450?
Yes, the Photosmart 7450 supports replacing the HP 56 (C6656AA) black cartridge with an HP 58 photo cartridge in the black slot to create a six-ink printing system for smoother photo gradients.
What happens when one colour runs out inside the HP 57 tri-colour cartridge?
The HP 57 (C6657AA) cartridge combines cyan, magenta, and yellow in a single unit. When one primary colour runs out, the entire cartridge must be replaced to maintain accurate colour balance on prints.
Do compatible HP 56 and 57 cartridges print the same page volume as originals?
Yes, compatible 56 (C6656AA) and 57 (C6657AA) cartridges are filled to match or exceed the standard ink volumes of original cartridges, delivering up to 450 black pages and 400 colour pages per standard print cycle.
