Make the dough starter: Mix the flour, water, and yeast for the starter in a small mixing bowl. Beat until the batter is smooth and glossy, about 100 strokes. Let the starter sit 1 to 12 hours: Cover the starter and place it out of the way for at least 1 or up to 12 hours.
The original document is scanned with a fax machine (or a telecopier), which processes the contents (text or images) as a single fixed graphic image, converting it into a bitmap, and then transmitting it through the telephone system in the form of audio-frequency tones.
It is also possible to use the internet to send materials to a fax machine. There are a number of services which can be used, most of which cost money. This can be a wise investment, however, if you do not send faxes very often and do not wish to buy a fax machine or deal with services like FedEx.