Oce 3121 Technical & Service Manual page 491

feeding roller
Motor M4 for cassette pick-up
gear 1
pick-up roller
separation roller
Pick-up drive for the upper cassette: pick-up motor rotating clockwise.
feeding roller
Motor M4 for cassette pick-up
pick-up roller
separation roller
gear 1
Pick-up drive for the upper cassette: pick-up motor rotating clockwise.
510 TSM Océ 3121 Functional description