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The delivery tray upper limit sensor (S13) goes ON while the delivery tray ascent/descent motor (M5) is in operation.
The clock signal of the delivery tray ascent/descent motor clock sensor (S9) is not detected 15 times or more within 0.8 sec while the delivery tray ascent/ descent motor (M5) is in operation.
The delivery tray paper height sensor (S10) does not go ON 4 sec after the delivery tray ascent/descent motor (M5) starts to move up.
The delivery tray paper height sensor (S10) does not go OFF 4 sec after the delivery tray ascent/descent motor (M5) starts to move down.
Cause:
The delivery tray ascent/descent motor (M5) is faulty.
The delivery tray paperheight sensor (S10) is faulty, the harness is disconnected, or an open circuit exits.
The delivery tray ascent/descent motor lock sensor (S9) is faulty, the connector is disconnected, or an open circuit exits.
The delivery tray ascent/descent motor is subjected to an excess load. The finisher controller PCB is faulty.
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