{HEAD ~ The second sheet path sensor S2} is fixed to the frame 20 so that a lever 19 of {TAIL ~ S2} is protruded into the sheet transfer route 104 when no cut sheet passes through the sheet transfer route 104, and the lever 19 is pushed up, making S2 ON, when the cut sheet passes through the sheet transfer route 104 
{ HEAD ~ The second sheet path sensor S2 } is fixed to the frame 20 so that a lever 19 of { TAIL ~ S2 } is protruded into the sheet transfer route 104 when no cut sheet passes through the sheet transfer route 104 , and the lever 19 is pushed up , making S2 ON , when the cut sheet passes through the sheet transfer route 104
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