Brother MFC-8460N Toner Cartridges
Your Brother MFC-8460N uses the TN-3145 and TN-3185 toner cartridge series along with DR-3115 drum units. Ink Depot has been supplying reliable consumables for this office monochrome laser printer since Jun 2006. Upgrading from standard TN-3145 cartridges to high-yield TN-3185 options doubles page output and keeps busy office workflows moving without frequent replacements. Our 4.8 Google Star rating shows that our customers consistently receive high-quality cartridges backed by reliable performance.
Expected Output and Replacement Cycles
ISO/IEC 19752 testing standards dictate page yield measurements for monochrome toner cartridges like the TN-3145 and TN-3185. Standard TN-3145 cartridges suit modest print volumes, while high-yield TN-3185 units significantly lower cost per page for high-volume office documentation.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| TN-3145 | Standard | Black | 3,500 | $0.050 |
| TN-3185 | High Yield | Black | 7,000 | $0.035 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Compatible Toner Options
Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. Choosing premium compatible cartridges provides significant cost savings for daily administrative printing while delivering clear, professional text output. To learn more about how third-party options compare against OEM products, read our genuine vs compatible cartridges guide.
Separate Drum Unit Requirements
Unlike integrated cartridge systems, this Brother printer uses a separate toner and drum assembly. Experience Tip: The DR-3115 drum unit has a rated lifespan of 25,000 pages and operates independently from the TN-3145 and TN-3185 toner cartridges, meaning it only needs replacement after several toner cartridge cycles.
Managing Replacement Cartridges & Orders
If you print mainly text documents, opting for high-yield TN-3185 toner cartridges or multi-packs offers the best overall economic return. Choosing compatible cartridges provides maximum savings, fully backed by our money back guarantee if they do not perform to expectations. Please review our returns policy for total peace of mind. Free delivery applies on all orders over $99. We dispatch fast from warehouses in Perth, Brisbane, Sydney, Melbourne and Adelaide to ensure minimal office downtime. Browse our full range of Brother toner cartridges today.
Commercial Pro Tip
Always keep a spare TN-3185 high-yield cartridge on hand before the low toner alert appears, as monochrome laser printers stop printing once the cartridge toner sensor registers empty.
Frequently Asked Questions
How do I know whether I need a new TN-3185 toner cartridge or a DR-3115 drum unit?
Toner cartridges hold the dry ink powder that creates text, whereas the DR-3115 drum unit transfers that powder onto the paper using heat and pressure. If prints are faint or uneven, the TN-3185 toner is likely empty; if faded vertical lines or repeating smudges appear across every page, the DR-3115 drum unit is reaching its 25,000-page limit.
Can I install a high-yield TN-3185 cartridge if my printer previously ran a standard TN-3145?
Yes, the TN-3145 and TN-3185 cartridges share identical outer dimensions and fit into the exact same drum housing inside your printer. The TN-3185 simply contains double the toner volume internally.
How many toner cartridges can I use before replacing the DR-3115 drum unit?
Because the DR-3115 drum unit is rated for 25,000 pages, it typically lasts through approximately three to four high-yield TN-3185 cartridges or seven standard TN-3145 cartridges before needing replacement.
