The present invention allows image recording with plural light beams while eliminating {TAIL ~ alignment changes} of light spots on the inner face of {HEAD ~ a drum} 
The present invention allows image recording with plural light beams while eliminating { TAIL ~ alignment changes } of light spots on the inner face of { HEAD ~ a drum }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD