Toner Cartridge Black Compatible Model [brother Genuine] TN-390BK Numbers HL-4570CDWT, HL-4570CDW, MFC-9970CDW, MFC-9460CDN, Etc.

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Compatible models: HL-4570CDWT, HL-4570CDW, MFC-9970CDW, MFC-9460CDN Genuine Brother ink has been developed through repeated research to fully demonstrate the performance of the product itself. Please note that if you use non-genuine ink, not only will the product's performance not be fully demonstrated, but it may also be damaged.