Lexmark MX431adw Toner Cartridges
Shop toner cartridges for your Lexmark MX431adw, which uses the Lexmark 55B6000, 55B6H00 and 55B6X00 toner cartridge series. Ink Depot has been supplying reliable consumables for this printer since Jul 2021. Built for fast monochrome document production in busy workgroups, this compact multifunction printer demands consistent toner flow. Choosing 55B6X00 extra high yield toner cartridges minimises interruptions during large print runs. 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 Lexmark 55B series are measured in accordance with ISO/IEC 19752 testing standards for monochrome laser cartridges. High-volume office environments benefit significantly from the 55B6X00 extra high capacity option, which drastically lowers the cost per printed page compared to standard yield cartridges.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 55B6000 | Standard | Black | 3,000 | $0.059 |
| 55B6H00 | High Yield | Black | 15,000 | $0.042 |
| 55B6X00 | Extra High Yield | Black | 20,000 | $0.034 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Choosing Between Genuine and Compatible Cartridges
For high-volume document printing, compatible 55B6H00 toner cartridges offer substantial cost reductions without compromising text crispness or output reliability. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Read our genuine vs compatible cartridge guide to evaluate which option best aligns with your workplace budget.
Selecting the Right Supply Option
Selecting 55B6X00 extra high yield black cartridges or multi-pack bundles is the most practical choice for busy office environments seeking to reduce downtime. Compatible alternatives come backed by a full money-back guarantee for complete peace of mind. All orders of Lexmark toner cartridges are dispatched swiftly from our Australian warehouses located in Sydney, Melbourne, Brisbane, Adelaide, and Perth. Free delivery applies on all orders over $99. For details on returns, please review our returns policy.
Cartridge Strategy Tip
When managing high monthly print volumes on the MX431adw, check whether your workflow justifies stepping up from the 3,000-page 55B6000 to the 20,000-page 55B6X00 toner cartridge. The extra high yield cartridge reduces cartridge swaps by more than six times, dramatically lowering cost-per-page while keeping your office printer online during critical tasks.
Frequently Asked Questions
Can I install the 55B6X00 extra high yield toner if my printer originally came with a 55B6000?
Yes, the 55B6000 standard, 55B6H00 high yield, and 55B6X00 extra high yield cartridges share identical physical outer dimensions and fit into the exact same slot in your Lexmark MX431adw. The 55B6X00 simply contains significantly more toner powder inside.
How does the 55B0ZA0 imaging unit differ from the 55B6 toner cartridge?
The 55B6 toner cartridge holds the black toner powder required for printing, while the 55B0ZA0 imaging unit is a separate drum component rated for approximately 40,000 pages that transfers the toner onto the paper. You only replace the imaging unit when prompted by the printer, usually after multiple toner cartridge changes.
Will high-speed document printing be affected if I switch to compatible 55B6H00 toner?
No, premium compatible 55B6H00 toner cartridges are engineered to match the melt point and particle consistency of genuine Lexmark toner. This ensures clear, smudge-free text without fading, even during maximum-speed continuous print runs.















