High-Speed Faxing for Your Home Office or Small Business offering fast fax transmission and high-quality laser output, the Brother IntelliFAX-2840 laser fax is a solid choice for your home office or small business. It's compact in size, energy-efficient and offers convenient, high-quality copying. You can use it for both fax and voice calls on the same telephone line and you can even connect an external answering machine. Also, help keep your operating costs low by using the hig-yield replacement toner.