End stopper drive motor malfunction
<When FS-526 is installed> • The 2 staples trail edge stopper home sensor (PS22) is turned neither ON nor OFF even after the set period of time has elapsed after the 2 staples trail edge stopper motor (M19) is turned ON. • The 2 staples trail edge stopper standby sensor/1 (PS23) is turned neither ON nor OFF even after the set period of time has elapsed after the 2 staples trail edge stopper motor (M19) is turned ON. • The 2 staples trail edge stopper standby sensor/2 (PS42) is turned neither ON nor OFF even after the set period of time has elapsed after the 2 staples trail edge stopper motor (M19) is turned ON.