Ricoh D197 Service Manual page 210

Internal Finisher SR3180
19. While pressing the bottom plate [A] into the area [B] shown by the red-dashed line,
insert the tabs of the bottom plate into the slots [C] [D] shown by the blue circles.
20. Secure the bottom plate [A] ( x 3, Accessory No. 7).
D197/D198/D199/D200/D201/D202 2-140 SM