Ricoh Aficio IS 2425 - Manual (Page 86)

Adding Paper, Toner and Staples
78
6
D
Release the side lever.
E
While pressing the release lever, adjust the side guides.
F
Square the paper, and then load it in the tray with the copying face up.
G
While pressing the release lever, adjust the side guides to the new paper
size.
ZEWY160E
ZEWY170E
ZEWY180E
ZEWY190E