Brother TN-3478 Toner Cartridge (Black), Medium

The Brother TN-3478 Black Toner Cartridge delivers consistent, high-contrast prints that solve flaky, faded or inconsistent office output—fast. Ideal for busy home offices and small businesses, this medium-yield cartridge provides reliable page-after-page clarity so you can print reports, invoices and presentations with confidence. Enjoy peace of mind with manufacturer-backed warranty coverage and ’s trusted after-sales support, authentic product guarantee, secure checkout and dependable delivery. Reduce downtime, keep workflows smooth and experience crisp black text that reinforces your professionalism every time you print.

Top Features

• Sharp text clarity — professional black prints that improve document legibility
• Medium yield balance — long-lasting supply without bulk storage hassles
• Fast installation — quick swap cartridge for minimal downtime
• Consistent performance — stable toner flow for uniform density on every page
• Durable build — robust casing resists leakage and protects printer internals
• Eco-conscious design — efficient toner usage reduces waste and cost per page
• Reliable speed — supports steady print speeds so workflows stay efficient
• Comfort of mind — backed by warranty and ’s customer service reliability
• Manufacturer-grade compatibility — engineered to meet Brother printer standards
• Clean handling — low-dust toner formulation for easy, mess-free replacement

Technical Specifications

Why Buy From ?

• 100% genuine products — authorized sourcing and authenticity guarantee
• Reliable warranty & support — manufacturer warranty honored plus after-sales help
• Fast, secure delivery across India with careful packaging
• Easy returns & responsive customer service to resolve issues quickly
• Transparent product information and compatibility guidance to avoid wrong purchases

Who Should Buy This?

• Small business owners who need dependable black-and-white prints for documents
• Home-office professionals requiring sharp text for contracts and reports
• Schools and educational centers with steady mono printing needs
• Freelancers who want value without stocking oversized cartridges
• Anyone seeking a genuine Brother cartridge backed by warranty and reliable service

Smart FAQs

Q: How many pages will this cartridge print?

A: The TN-3478 medium yield cartridge prints approximately 2,500 pages at 5% coverage; actual yield varies with content, printer settings and paper type.

Q: Is this cartridge compatible with my Brother printer?

A: It’s compatible with select Brother monochrome laser printers. Please check the compatibility list on the product page or your printer manual to confirm before ordering.

Q: Does provide warranty and support?

A: Yes. The cartridge comes with the manufacturer’s warranty and offers after-sales support, returns assistance and genuine product assurance.

Q: Can I install this cartridge myself?

A: Yes. The TN-3478 is designed for simple, tool-free installation. Follow your printer’s user guide for replacement instructions and disposal of the old cartridge.

Q: How should I store unused cartridges?

A: Store in a cool, dry place away from direct sunlight and extreme temperatures. Keep cartridges in original packaging until ready to use to maintain toner quality.

Q: Will using this cartridge void my printer warranty?

A: Using genuine Brother cartridges like the TN-3478 typically does not void your printer warranty. If you have concerns, refer to your printer warranty terms or contact support for clarification.