Ricoh Neptune-P1 Service Manual page 148

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5. Relay sensor plate [C] ( x 1 Blue)
6. Relay sensor [D] ( x 1, pinch release x 2)
7. Cassette end sensor plate [E] ( x 1 Blue)
8. Cassette end sensor [F] ( x 1,  x 1, pinch release x 3)
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