Ricoh D131 Service Manual page 1152

BOTTOM PLATE LIFT WIRE REPLACEMENT
2. DETAILS
[B]
[C]
[A]
[E]
[D]
[F]
B475D101.WMF
With this option installed, only one stack of paper can be loaded.
Lift motor [A] → Shaft and pulleys [B] → Tray wires [C] → Tray bottom plate [D].
An array of four paper height sensors [E] provide paper supply detection. As each
sensor is actuated, a message (percent of paper remaining) alerts the user about
the remaining amount of paper. When the bottom sensor [F] of the four sensors is
actuated, the paper end message is displayed.
SM 3 B475/D482