{HEAD ~ The first development unit} forms {TAIL ~ a first developer image} with a first developer absorbing a light having a prescribed wavelength 
forms
{ HEAD ~ The first development unit } forms { TAIL ~ a first developer image } with a first developer absorbing a light having a prescribed wavelength
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH