HP Officejet Pro 1170c 1175c Ink Cartridges
Shop ink cartridges for your HP Officejet Pro 1170c and 1175c, which use the HP 45 ink cartridges series. Ink Depot has been supplying reliable consumables for this printer since Aug 2026. These heavy-duty office all-in-one printers rely on high-capacity black ink for high-volume text printing, where switching to compatible 45 (51645AA) cartridges provides a lower printing cost per page. Our 4.8 Google rating reflects a long-standing track record of premium cartridge performance.
Expected Page Output and Replacement Cycles
For small business text-heavy document workflows, the HP 45 (51645AA) high-capacity black cartridge is measured under ISO/IEC standards to deliver consistent page output across extended print jobs.
| 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
Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Third-party HP 45 (51645AA) cartridges offer a practical way to lower office operational expenses while maintaining sharp text. To learn how alternative supplies perform against original items, read our genuine and compatible ink cartridge guide.
Best Way to Stock These Cartridges
If you print mainly text documents, purchasing high-yield compatible 45 (51645AA) cartridges reduces costs without compromising clarity. Compatible cartridges include a money-back guarantee under our standard returns policy if they do not perform. Free delivery applies on all orders over $99. We dispatch quickly from nationwide warehouses located in Perth, Brisbane, Sydney, Melbourne and Adelaide. Explore our full range of HP ink cartridges today.
Pro Tip
Keep a spare HP 45 (51645AA) cartridge in stock at all times; because this printer relies on a single high-capacity black cartridge for document printing, running completely empty instantly halts all queued print tasks.
Frequently Asked Questions
Do the HP Officejet Pro 1170c and 1175c use the same black ink cartridges?
Yes, both the Officejet Pro 1170c and 1175c models belong to the same printer family and accept identical HP 45 (51645AA) black cartridges.
How does page yield compare between genuine and compatible HP 45 cartridges?
Compatible HP 45 (51645AA) cartridges are engineered to match original specification page outputs of over 800 pages, providing equal productivity for routine business paperwork.
Can I install an HP 45 cartridge if my printer has been powered off for months?
Yes, installing a fresh HP 45 (51645AA) cartridge replaces the printhead integrated directly onto the cartridge unit, effectively refreshing the ink delivery system even after prolonged idle periods.
Why do HP 45 cartridges feature an integrated printhead assembly?
HP 45 (51645AA) cartridges contain the printhead nozzles directly on the cartridge structure, ensuring clean nozzle openings and crisp print clarity each time a replacement cartridge is inserted.
