CLEAR THE RECEIPT
echo " " > /tmp/receipt

APPEND RECEIPT INFO BUFFER 3
echo '' > /tmp/receipt|
echo '0123456789112345678921234567893123456789' >> /tmp/receipt|
echo '0123456789112345678921234567893123456789' >> /tmp/receipt|

echo 'this is ala bla5' >> /tmp/receipt|
echo 'this is ala bla6' >> /tmp/receipt|

PRINT
nc 10.1.1.110 9100 < /tmp/receipt