This replacement cap for BROTHER is recommended for those who plan on refilling many times. It is compatible with BROTHER TN-820, TN-850, TN-880, TN-890, and others.
This replacement cap is compatible with the BROTHER TN-820, TN-850, TN-880, TN-890, TN-3420, TN-3429, TN-3430, TN-3440, TN-3449, TN-3470, TN-3479, TN-3480, TN-3490, TN-3499, TN-3512, TN-3520 cartridges. If your cap is damaged during refilling, you will be able to use this cap instead of sealing the cartridge with tape. We recommend keeping a spare cap just in case!