There is provided {TAIL ~ a sheet discharge unit} which includes a tray which a first area and a second area, a discharge mechanism, a pendulum mechanism, a signal transmission mechanism which transmits a first signal and a second signal, a memory, and {HEAD ~ a controller} 
There is provided { TAIL ~ a sheet discharge unit } which includes a tray which a first area and a second area , a discharge mechanism , a pendulum mechanism , a signal transmission mechanism which transmits a first signal and a second signal , a memory , and { HEAD ~ a controller }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD