Image of Each Line of the Receipt

Displays the image to be printed for each of the lines of the receipt. The print line is indicated
by the three characters (xxx) of the corresponding field, where xxx will be equal to 001, 002, ... respectively
for each of the lines defined in the NUMBER OF PROOF LINES field. This one
field (that is, each of the lines) is alphanumeric and has a size of up to 40 bytes.