In order to print out the results connect the milk analyzer to the power supply using cables for 12V delivered in the set.
Connect the printer with the milk analyzer using the RS 232 cable which is also in the set and switch on both devices.
There are three led indicators on the printer. First shows - printer is switched on, second lights if there is an error, which can be removed by restart of the printer and third - indicating the quantity of the printer paper.
After each measurement the printer will automatically print the data.