7.4 Paper Volume Cord Replacement
1. Unplug the tray and remove the rear cover (4 screws).
2. Remove the transformer assembly with the tray main board (1 screw, 5 connectors, and 1
nylon clamp).
3. Remove the drive motor assembly with the paper volume detection assembly (2 screws and
2 connectors).
4. Remove the drive motor worm gear (1 Allen screw).
5. Remove the washer [A] and the paper volume cord pulley [B] (1 screw).
6. Rotate the drive shaft [C] so that the slot [D] is vertical, then secure the shaft with tape.
7. Insert both ends of the paper volume cord [E] into the slot [F] of the paper volume cord pul-
ley and run the cord as shown in the figure.
8. Insert the paper volume cord pulley and washer. Partially tighten the screw [G].
NOTE: Align the slot of the paper volume string pulley with the slot of the drive shaft.
10-21
31 August 1989