Chapter 22-19The stapler waits at the paper front end side staple position. The stapling sequence is first near side and then far side.F-2-252.4.3 Stapling Operation 0009-2521Stapling operation staples the prescribed number of copies with the stapler unit.The staple position depends on the staple mode and paper size.Whether the staple unit is at home position or not is detected by the stapler shift home position sensor (PI110).The stapler unit is equipped with a stapler alignment interference sensor (PI116). The staple motor (M111) operationis prohibited when the stapler alignment interference sensor (PI116) is ON. This is to prevent stapling at the stopperand damaging the stopper when the stapler shift motor (M105) is incorrectly adjusted.When the power is turned on, the finisher controller PCB drives the stapler shift motor (M105) to return the staplerunit to home position. If the stapler unit is already at home position, it waits in that state.Front aligning plateStopperStopperStopperStapling position/Wait positionFeeding directionRear aligning plateStapling position