Interfaces and cables are generally the same as printers, parallel, USB, SCSI and firewire
Multiple uses eg scanner, printer, copier and fax.
Low cost, easy to install
One upgrade for all devices
One port for all devices
One problem effects all devices and it is not designed for heavy use
Often used to scan books and phontos for archieving.
Can have a sheet feeder which will feeders to be scanned into the scanner although this will make the scan quality not as good.