HP Deskjet 950c Ink Cartridges
Your HP Deskjet 950c uses the HP 45 ink cartridges series. Ink Depot has been delivering reliable consumables for this printer since Aug 2026. A dependable workhorse designed for crisp mono text documents, the printer relies on a high-capacity single black 45 (51645AA) cartridge setup. Our 4.8 Google rating is built on dependable cartridge performance and uncompromising product quality.
Expected page output and ink longevity
Page yields for the 45 (51645AA) cartridge are measured according to ISO/IEC 24711 standard testing guidelines, based on standard 5% coverage per A4 page. Actual print volume varies depending on document density, font bolding, and print frequency.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 45 | Standard | Black | 883 | $0.15 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Choosing between genuine and compatible options
Selecting compatible 45 (51645AA) cartridges provides substantial cost savings without compromising on text sharpness or page volume. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. To understand how third-party cartridges perform relative to original OEM supplies, review our genuine vs compatible cartridge comparison guide.
Best approach to purchasing 45 cartridges
If your daily output consists primarily of routine text documents and invoices, opting for compatible 45 (51645AA) black cartridges significantly lowers your printing costs per page. Compatible options come backed by a complete money-back guarantee for added peace of mind. To review replacement criteria or swap an item, consult our returns policy. Free delivery applies on all orders over $99. We dispatch quickly from nationwide warehouses located in Perth, Brisbane, Sydney, Melbourne, and Adelaide so you can replenish your HP ink cartridges without delay.
Pro Tip
The HP 45 (51645AA) cartridge features an integrated thermal printhead built directly into the cartridge body, meaning each replacement cartridge provides a brand-new printhead mechanism for crisp text clarity.
Frequently Asked Questions
Why does the HP 45 (51645AA) cartridge deliver a higher page count than modern standard ink cartridges?
The HP 45 (51645AA) is a high-capacity high-density cartridge containing a larger ink reservoir compared to modern slimline cartridges. It was engineered specifically to support sustained black text output for home office document workloads.
Do compatible HP 45 (51645AA) ink cartridges dry out faster than genuine OEM cartridges?
No, quality compatible 45 (51645AA) cartridges utilise formulated pigment-based black inks designed to match original drying times and fade resistance, provided the protective printhead tape is left sealed until installation.
Can I store spare HP 45 (51645AA) cartridges for an extended period?
Yes, factory-sealed 45 (51645AA) cartridges have a long shelf life. Keep spare cartridges sealed in their original packaging in a cool, dry place out of direct sunlight to maintain printhead integrity prior to use.







