Inverter Mechanism - Ricoh FT5540 Service Manual

9. INVERTER MECHANISM

In the two-sided original mode, the belt drive motor reverses 75 milliseconds after the leading
edge of the original passes the exit sensor; however, the feed-out motor [A] continues to turn
forward. Since the friction between the turn roller [B] and the original is greater than the friction
between the DF belt [C] and the original, the original continues to move forward through the
inverter mechanism.
The belt drive motor and the feed-out motor turn off 532 pulses after the trailing edge of the
original passes the exit sensor. This aligns the trailing edge of the original with the original
scale.
8-11
31 August 1989