HP Smart Tank Plus 555 Ink Bottles
Your HP Smart Tank Plus 555 uses the 31XL, 32XL ink bottles. We have been supplying consumables for this printer since Jul 2025. This continuous ink tank system relies on high-capacity individual colours, ensuring you only replace what you empty. Our 4.8 Google Star rating shows that our customers consistently receive high-quality cartridges backed by reliable performance.
Expected page output and replacement cycles
Refilling these tanks yields thousands of pages based on international inkjet testing standards, providing an ultra-low cost-per-page ideal for busy home offices where text documents dominate daily production.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 31 | Standard | Cyan | 8,000 | $0.003 |
| 31 | Standard | Magenta | 8,000 | $0.003 |
| 31 | Standard | Yellow | 8,000 | $0.003 |
| 32XL | High Yield | Black | 6,000 | $0.004 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
What to know about compatible cartridges
Choosing compatible ink bottles offers exceptional value without risk. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. You can read our detailed guide on the differences in our genuine vs compatible cartridges blog post.
Print head maintenance and replacements
This ink tank system utilises user-replaceable print heads, including the M0H50AA and X4E75AA components, to keep print lines sharp over time. Experience Tip: If lines appear blurry or colours drop out even when the tanks are full, running a print head cleaning cycle via the printer software can clear blockages before needing a mechanical replacement.
Choosing the right cartridge setup
If you print mainly text documents, purchasing the standalone 32XL black ink bottle keeps your running costs low. If you regularly print graphics or colour documents, picking up a full multi-pack bundle prevents sudden interruptions when one tank runs dry. All compatible options come with a money-back guarantee, and full details are available on our returns policy page. Free delivery applies on all orders over $99 (conditions apply). We ship rapidly from our warehouses in Perth, Brisbane, Sydney, Melbourne and Adelaide. Browse our complete range of HP ink bottles online.
Pro Tip
Never let the ink levels drop below the minimum line visible on the front of the printer tanks, as drawing air into the internal ink tubes can cause the print heads to dry out prematurely and require manual priming.
Frequently Asked Questions
Can I mix genuine HP ink bottles with compatible ink bottles in the same printer?
Yes, you can safely use a compatible bottle to top up one colour tank while the other reservoirs still contain genuine HP ink. The formulas are designed to mix safely within the continuous tank system without coagulation or colour shifting.
Why does my black ink tank empty faster than the colour tanks?
The printer uses a separate high-capacity 32XL black bottle because standard documents, emails, and shipping labels consume significantly more black fluid than the combined colour layers, resulting in a faster replacement cycle.
How do I know when to replace the M0H50AA or X4E75AA print heads?
Unlike ink bottles which you monitor visually through the transparent tanks, print heads require replacement only when text alignment errors or missing lines persist even after performing multiple software-driven deep cleaning cycles.
