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.
Here's how to receive a fax: Make sure the fax machine is plugged in, powered on and connected to a working phone jack. This phone jack can either be your regular phone line or a dedicated fax line. The important thing is that the sender has the right number. Make sure that the fax machine has enough ink in its toner cartridge.