The present invention relates to a sheet processing apparatus having a
stapling means disposed detachably for stapling to conveyed sheets, the
stapling means being movably supported between an operation position for
stapling conveyed sheets and a replacement position for detaching the
stapling means from the apparatus, the stapling means comprising; a
connection portion connected to the apparatus for receiving a control
signal from the apparatus; a cable for transmitting the control signal
from the connection portion to the stapling means; and an urging means for
urging the cable toward the inner side of the stapling means.
