Ricoh FAX2050L - Manual (Page 171)

Changing the Paper Size in the Optional Second Paper Cassette
91
9
D
Squeeze the green end plate slightly and remove it.
E
Insert the end plate into the A4 slot as shown.
F
Remove the side rail (Squeeze in one of the plastic tabs on the underside of
the cassette to loosen it).
TSTC370N.eps
TSTC440N.eps
TSTC340N.eps