If you're looking for the perfect fit for all your faxing needs, then the OKIFAX 4580 is your solution. It's just the right size at just the right price - and it offers the fax features you want now, along with upgrade options to address your growing needs. The OKIFAX 4580 is ready to work right out of the box. It lets you transmit and receive documents quickly - at the touch of a button - with a fast 33.6 Kbps G3 modem, transmitting your documents as quickly as 3 seconds per page. This Digital LED facsimile lets you work more efficiently, and increases productivity with such features as broadcasting, group dialing, polling and 1-touch speed dialing. Its dual access feature lets you set up an outgoing fax while another is coming in. For a variety of output options, there's the 100-sheet paper tray, 20-sheet automatic document feeder, and manual feed for envelopes, labels, overhead transparencies and custom paper sizes. The straight-through paper path of the OKIFAX 4580 ensures consistent, high-quality output - no warping and no wrinkling. Looking for an all-in-one, compact solution to replace several space-consuming devices? The Unimessage Pro and Pro LAN upgrades for the OKIFAX 4580 combine four critical office functions into one fully-integrated, compact and easy-to-use machine. In addition to faxing documents from your PC, the MFP kits let you print, copy and scan. Or select the IFax upgrade and send documents as .tif or .pdf files to an e-mail address - or group of addresses - over the Internet, quickly and inexpensively. When desk space is at a premium, the OKIFAX 4580 can be easily upgraded, eliminating the need for multiple devices and thus maximizing your workspace. The OKIFAX 4580 Digital LED Facsimile: when all you need is a fax - and when you need more - this is the solution that will save you time, space and money.