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