HP DeskJet 1600c Ink Cartridges
Shop ink cartridges for your HP DeskJet 1600c, which uses the HP 45 (51645AA) ink cartridge. Ink Depot has been supplying reliable consumables for this printer since Aug 2026. The HP DeskJet 1600c is a robust desktop inkjet printer engineered for high-volume text printing. Our 4.8 Google rating reflects a long-standing track record of premium cartridge performance. Relying on compatible 45 (51645AA) black cartridges keeps running costs low while maintaining sharp, legible text across large print jobs.
Expected page yield and usage
Page yields for HP 45 (51645AA) cartridges are measured in accordance with ISO/IEC 24711 standards based on 5% page coverage. Actual page output depends on print density and document complexity.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 45 | Standard | Black | 833 | $0.067 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Compatible cartridges.
Using compatible HP 45 cartridges
Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Compatible cartridges offer a cost-effective alternative for routine document printing while maintaining crisp black text output. To learn more about how non-OEM options perform, read our guide comparing genuine vs compatible cartridges.
Ordering options and dispatch
If you print mostly text documents, stocking up on compatible 45 (51645AA) cartridges provides maximum value. All compatible cartridges are backed by a money-back guarantee should you experience any performance issues; review our returns policy for details. Free delivery applies on all orders over $99, with fast dispatch from our national warehouses in Perth, Brisbane, Sydney, Melbourne, and Adelaide. Browse our complete range of HP ink cartridges for all your printing needs.
Cartridge Pro Tip
Store spare 45 (51645AA) cartridges upright in their sealed packaging at room temperature to prevent the pigmented ink from settling or drying out before installation.
Frequently Asked Questions
Why does the HP 45 cartridge have an integrated printhead mechanism?
The 45 (51645AA) cartridge design includes the printhead directly on the cartridge body, meaning every cartridge replacement replaces the firing nozzles to maintain clean text output.
Can I store unused HP 45 cartridges for extended periods?
Yes, sealed 45 (51645AA) cartridges have a long shelf life when kept in a cool, dark environment. Keep the protective tape over the nozzle plate intact until immediately before installation to prevent drying.
What type of ink is used in the HP 45 black cartridge?
The 45 (51645AA) cartridge uses high-density pigment ink, which dries quickly and delivers crisp, smudge-resistant black text suitable for high-volume office documents and archived records.
