Brother MFC9100C Service Manual page 98

3) Secure the paper feed motor with two screws "b" (refer to the illustration given on page IV-
55).
4) Put the PF drive belt around the paper feed motor gear and the idle gear 720.
5) Turn the tension plate ASSY clockwise (in the direction of arrow •) to apply tension to the
PF drive belt and set the tension spring onto the three hooks (arrow ‚).
6) Secure the tension plate ASSY to the main frame with screw "a" (arrow ƒ).
IV - 57