5. Thread the ribbon through the ribbon sensor slot and printhead. 
 
 
 
11
5. Stick ribbon onto ribbon rewind paper core, keeping the ribbon flat and wrinkle-free. 
6. Wind the ribbon rewind spindle clockwise roughly 3~5 circles until ribbon is smooth,     
properly stretched and wrinkle-free. 
 
Ribbon   
Ribbon 
sensor 
7. Close the printhead mechanism, making sure the latches are engaged properly.