HP Deskjet 9300 Ink Cartridges
Shop ink cartridges for your HP Deskjet 9300, which uses the HP 45 ink cartridge series. Ink Depot has been supplying reliable consumables for this A3 wide-format printer since Sep 2026. Our 4.8 Google rating proves it: we consistently supply premium cartridges backed by rock-solid reliability. Replacing standard 45 (51645AA) black cartridges with high-capacity compatible options lowers daily running costs for heavy text printing.
Expected Output and Replacement Cycles
Page yields for 45 (51645AA) ink cartridges are calculated under standard ISO/IEC 24711 testing procedures based on 5% page coverage. Actual page output varies based on document density, font styles, and print frequency during routine document output.
| 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.
Evaluating Genuine and Compatible Options
Choosing between OEM and third-party options depends on your budget and document printing needs. Compatible 45 (51645AA) cartridges offer substantial savings for high-volume text printing without compromising readability. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Read our guide on genuine vs compatible cartridges to decide which option suits your printing environment.
Smart Purchasing and Fast Shipping
If you print mainly text documents and spreadsheets, opting for compatible 45 (51645AA) ink cartridges significantly lowers cost per page. All compatible products come backed by a 100% money back guarantee if they do not perform as expected. View our full range of HP ink cartridges to stock up today. Free delivery applies on all orders over $99. We ship directly from local warehouses in Perth, Brisbane, Sydney, Melbourne and Adelaide for fast order turnaround. For full terms, see our returns policy.
Pro Tip
The 45 (51645AA) cartridge incorporates the printhead directly into the cartridge unit, meaning each fresh cartridge completely renews the ink firing channels for crisp black text.
Frequently Asked Questions
Does the 45 (51645AA) cartridge contain an integrated printhead?
Yes, the 45 (51645AA) black cartridge uses a self-contained design with an integrated printhead mechanism. Replacing the cartridge installs a clean nozzle set, helping prevent faint text or micro-banding on high-coverage documents.
Can I leave a spare 45 (51645AA) cartridge in storage without it drying out?
Unopened 45 (51645AA) ink cartridges retain their quality for up to 24 months when stored upright in their original sealed packaging in a cool, dry location out of direct sunlight.
Why does page yield vary between different text documents when using 45 (51645AA) ink cartridges?
Published yields are calculated at 5% page coverage, which represents standard line-spaced text. Heavy black text, bold headers, or wide-format A3 documents consume significantly more ink per page, reducing total page count proportionally.
