Ricoh D131 Service Manual page 76

8 1/2"x14" Paper Size Tray Type 9002 (B474)
11. Align the positioning pin [A].
12. Attach the B4/LG frame [B] with the hex nuts ( x 2).
The kit is set for B4. If you need to change the paper size to LG, do the following steps.
13. Move the front side fence [A] to the LG position and fasten ( x 1).
14. Move the rear side fence [B] to the LG position and fasten ( x 1).
D131/D132/D133 2-32 SM