HP officejet 3830 fax or a telecopy is the transmission of a scanned document through a telephone line to the phone number associated with the officejet 3830 printer. The document to be sent is scanned and converted to its digital form. In this digital form, the information is transmitted as electrical signals through the telephone lines. At the receiving end these signals are reconverted and printed. The HP OfficeJet 3830 Printer, has a fax feature that scans the document to be faxed and sends it via a telephone connection to another hp officejet 3830 fax enabled machine.