1. Introduction
This manual provides essential instructions for the proper use, installation, and maintenance of your Brother TN730 Standard Yield Black Toner Cartridge. The TN730 cartridge is designed to deliver crisp, black and white prints and is engineered to work seamlessly with compatible Brother laser printers.

Figure 1: Brother TN730 Standard Yield Black Toner Cartridge and its packaging.
2. Printer Compatibility
The Brother TN730 toner cartridge is compatible with the following Brother laser printer models:
- DCP-L2550DW
- HL-L2350DW
- HL-L2370DW
- HL-L2370DW XL
- HL-L2390DW
- HL-L2395DW
- MFC-L2710DW
- MFC-L2750DW
- MFC-L2750DW XL
- MFC-L2690DW
- MFC-L2730DW
- MFC-L2717DW

Figure 2: Visual representation of compatible Brother printer models.
3. Setup and Installation
Follow these steps to install the Brother TN730 toner cartridge into your compatible Brother laser printer.
- Unpack the Cartridge: Carefully remove the new toner cartridge from its packaging. Avoid touching the drum unit or the toner opening.
- Open Printer Cover: Open the front cover of your Brother laser printer.
- Remove Old Cartridge: Grasp the handle of the used toner cartridge and drum unit assembly, then pull it out of the printer.
- Separate Toner from Drum: Press the green lock lever on the drum unit and remove the old toner cartridge.
- Install New Toner: Slide the new TN730 toner cartridge firmly into the drum unit until it locks into place. A click indicates it is secured.
- Clean Corona Wire: Gently slide the green tab on the drum unit from left to right and right to left several times to clean the corona wire. Return the tab to the home position (triangle mark).
- Insert Assembly: Place the toner cartridge and drum unit assembly back into the printer.
- Close Cover: Close the front cover of the printer. The printer will begin a short initialization process.

Figure 3: The Brother TN730 toner cartridge ready for installation next to a compatible printer.
4. Operating Instructions
Once installed, the Brother TN730 toner cartridge operates automatically with your printer. Ensure your printer drivers are up-to-date for optimal performance.
- Print Quality: Expect crisp, clear black and white text and graphics.
- Page Yield: The TN730 cartridge is designed to yield approximately 1,200 pages based on ISO/IEC 19752 standards (Letter/A4). Actual yield may vary significantly based on content of printed pages and other factors.
- Dash Replenishment: If your printer is Dash Replenishment-eligible and activated, replacement cartridges can be automatically ordered and shipped to you when toner levels are low.
5. Maintenance
Proper handling and storage can extend the life and performance of your toner cartridge.
- Storage: Store unused toner cartridges in their original, sealed packaging in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid shaking the cartridge excessively or exposing it to dust. Do not touch the metallic contacts or the drum surface.
- Cleaning: If print quality degrades, ensure the corona wire within the drum unit is clean as per the installation steps.

Figure 4: Proper storage of the toner cartridge in a cool, dry place.
6. Troubleshooting
If you encounter issues with your TN730 toner cartridge, consider the following common solutions:
- Poor Print Quality (Faded, Streaky, or Spots):
- Ensure the toner cartridge is correctly seated in the drum unit and the drum unit is properly installed in the printer.
- Clean the corona wire inside the drum unit.
- Check the toner level. If low, replace the cartridge.
- If the issue persists, the drum unit itself might need replacement (separate from the toner cartridge).
- "Toner Low" or "Replace Toner" Message:
- This indicates the toner is nearing depletion. Prepare a new cartridge for replacement.
- If the message appears immediately after installing a new cartridge, ensure it is a genuine Brother cartridge and correctly installed.
- Cartridge Not Recognized:
- Remove and re-install the toner cartridge and drum unit assembly.
- Ensure all protective packaging (e.g., orange tabs) has been removed from the new cartridge.
- Verify the cartridge is compatible with your printer model.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TN730 |
| Product Type | Standard Yield Black Toner Cartridge |
| Brand | Brother |
| Ink Color | Black |
| Approximate Page Yield | 1,200 pages (ISO/IEC 19752) |
| Item Weight | 1.3 pounds (0.59 kg) |
| Product Dimensions | 14 x 4.9 x 6.9 inches (35.56 x 12.45 x 17.53 cm) |
| Material Type | Plastic |
| UPC | 012502649267 |
| Included Components | Brother TN730 Standard Yield Toner Cartridge (1) |

Figure 5: Page yield comparison between TN730 and TN760 toner cartridges.
8. Environmental Responsibility
Brother is committed to environmental responsibility. Please dispose of used toner cartridges through Brother's official recycling programs. Visit the Brother website for more information on how to properly recycle your genuine Brother cartridges.
9. Support
For further assistance, technical support, or warranty information, please refer to your printer's user manual or visit the official Brother support website. Ensure you have your printer model number and the toner cartridge model (TN730) available when seeking support.
Note: This manual is for informational purposes only. Always refer to your specific printer's documentation for detailed instructions.