Ink jet and laser fax machines print on plain paper. The ink jet fax is somewhat slow, but prints nice quality. The laser fax machine is the most reliable and offers the best quality and speed, although it s very expensive by comparison. Even though faster fax machines may be more expensive, they often pay for themselves by reducing long-distance phone charges. Keep in mind that data can only be sent as fast as the slowest devices.
Memory is an important feature of a fax machine.
There should be enough memory to save incoming faxes if the machine runs out of paper 512KB will hold about 25 pages. The minimum resolution recommended for graphics and images is 600 x 600 dpi. Interpolated resolution is not necessary. It may create additional pixels that help enlarge the scan but doesn t improve the detail. The key factor is to pay for what is needed in the office.