Ricoh Aficio SP 3400SF User Manual page 80

Getting Started
B
Carefully pull tray 1, and then pull out with both hands.
2
Place the tray on a flat surface.
C
Release the extender locks on both sides of the tray, and then pull out the
extender until it clicks.
After extension, make sure the extender's inner surface and the scale are
aligned.
70
BSP058S
BSP069S
BSP070S