HP OfficeJet Pro X551dw Ink Cartridges
Shop ink cartridges for your HP OfficeJet Pro X551dw, which uses the HP 970 / 970XL / 971 / 971XL ink cartridges series. Ink Depot has been supplying reliable consumables for this printer since Apr 2013. Designed as a high-speed desktop office printer running full-width printhead technology, it handles heavy document workflows effortlessly. Upgrading to high-yield 970XL (CN625AA) black and 971XL (CN626AA) colour cartridges drastically reduces replacement downtime. Our 4.8 Google rating reflects a long-standing track record of premium cartridge performance.
Expected Page Output and Replacement Cycles
Page yields for the HP 970 and 971 series are tested under ISO/IEC 24711 standard continuous printing conditions. High-volume office environments benefit significantly from the 9,200-page capacity of high-yield XL black cartridges, ensuring balanced per-page printing expense across high-volume document jobs.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 970 | Standard | Black | 3,000 | $0.046 |
| 971 | Standard | Cyan | 2,500 | $0.057 |
| 971 | Standard | Magenta | 2,500 | $0.057 |
| 971 | Standard | Yellow | 2,500 | $0.057 |
| 970XL | High Yield | Black | 9,200 | $0.030 |
| 971XL | High Yield | Cyan | 6,600 | $0.041 |
| 971XL | High Yield | Magenta | 6,600 | $0.041 |
| 971XL | High Yield | Yellow | 6,600 | $0.041 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Choosing Between Genuine and Compatible Options
Selecting compatible cartridges offers substantial cost savings while maintaining clear document outputs. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Read our comprehensive genuine vs compatible cartridge guide to evaluate which option fits your office workflow.
Managing Office Replacements and Delivery
For high-volume text printing, selecting 970XL (CN625AA) black cartridges delivers maximum page output for busy office queues. If your office produces colour presentations, opting for 971XL (CN626AA) high-yield options ensures lower running costs. Compatible cartridges provide substantial cost savings and come backed by our money-back guarantee, detailed in our Returns policy. We dispatch directly from warehouses in Perth, Brisbane, Sydney, Melbourne and Adelaide. Free delivery applies on all orders over $99 when stocking up on HP ink cartridges.
Essential Buying Advice
When operating in a fast-paced team environment, installing XL series cartridges simultaneously across all four slots prevents staggered replacement delays and ensures uninterrupted print throughput.
Frequently Asked Questions
Can I mix standard HP 970 cartridges with high-yield 971XL cartridges?
Yes, you can freely mix standard HP 970 black with XL colour cartridges, or vice versa. The printer tracks ink levels independently for each slot regardless of capacity.
Why do HP 970XL cartridges yield significantly more pages than standard desktop ink cartridges?
The HP 970 series is engineered for high-volume pigment ink delivery across a fixed print bar, allowing 970XL (CN625AA) black cartridges to deliver up to 9,200 pages, far surpassing conventional desktop ink limits.
What happens if one colour ink cartridge runs empty while printing black documents?
HP OfficeJet Pro X series printers require a minimal ink balance in all four colour slots to protect printhead nozzles, so replacing empty colour cartridges promptly ensures continuous black text printing.

















