Brother TN-851, TN-851XL
Brother TN-851 and TN-851XL toner cartridges are available in both standard and high-yield variants, giving you flexible output management options. We supply genuine options alongside compatible replacements that significantly lower your printing expenses per page. Our 4.8 Google Star rating shows that our customers consistently receive high-quality cartridges backed by reliable performance.
Printers Compatible with Brother TN-851, TN-851XL
Expected page output and replacement cycles
Genuine standard cartridges yield 9,000 black and 6,500 colour pages, whereas high-yield TN-851XL cartridges supply 12,000 black and 9,000 colour pages based on the ISO/IEC 19798 quality standard for colour laser printers.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| TN-851BK | Standard | Black | 9,000 | $0.029 |
| TN-851C | Standard | Cyan | 6,500 | $0.065 |
| TN-851M | Standard | Magenta | 6,500 | $0.065 |
| TN-851Y | Standard | Yellow | 6,500 | $0.065 |
| TN-851XLBK | High Yield | Black | 12,000 | $0.024 |
| TN-851XLC | High Yield | Cyan | 9,000 | $0.054 |
| TN-851XLM | High Yield | Magenta | 9,000 | $0.054 |
| TN-851XLY | High Yield | Yellow | 9,000 | $0.054 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
What to know about compatible cartridges
Choosing compatible TN-851XL toner cartridges helps reduce corporate printing costs without sacrificing print stability. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. You can read a comprehensive analysis of print lifecycle expectations on our blog by looking at our guide on genuine vs compatible cartridges.
Best way to stock these cartridges
Text-heavy workloads deplete the black toner fastest, making the standalone TN-851XLBK the standard option for daily operational needs. For environments processing graphics alongside reports, opting for multi-pack bundles safeguards your workflow against uneven colour depletion. Our compatible replacements include a full money-back guarantee, ensuring your investment is completely secure. We process shipments rapidly from major distribution centres situated in Sydney, Melbourne, Brisbane, Adelaide, and Perth. Free delivery applies on all orders over $99 (conditions apply). View our full conditions via our Returns policy. To find alternatives or accessories, navigate back to the main Brother toner cartridges index.
Pro Tip
In multi-user enterprise settings, the colour toner cartridges will deplete at uneven rates due to automatic calibrations and mixed print distributions. To protect your office workflow from sudden printer locks, monitor the individual remaining volumes via the status monitor and secure a high-yield colour bundle before multiple cartridges read low simultaneously.
Frequently Asked Questions
Can I mix a genuine TN-851BK cartridge with compatible TN-851XL colour cartridges?
Yes, this printer system accepts mixed cartridge configurations, allowing you to use a genuine black toner alongside premium compatible colour toners without creating communication errors or physical printhead alignment conflicts.
Why does my colour toner volume decrease even when printing exclusively in mono mode?
Brother colour laser printers use small amounts of cyan, magenta, and yellow toner during standard startup cycles and automatic printhead cleaning operations to protect components from premature wear, resulting in minor colour consumption over time.
How do I handle the internal page counter when changing to a high-yield TN-851XL cartridge?
The printer reads the physical reset gear on the side of the newly inserted cartridge rather than relying on automated software timelines, meaning the system automatically updates your volume limit configuration to reflect the full 12,000 or 9,000-page target upon installation.
