Ricoh FT8680 Service Manual page 146

ARDF 31 July 1995
[A]
[E]
[D]
[C]
[B]
A171D672.img
For original inversion, the inverter gate solenoid [A] turns on and the upper
[B] and lower [C] inverter gates open to create an inverter loop path.
An inverter entrance sensor [D] and an inverter registration sensor [E]
(reflection-type photosensors) are located in the inverter loop path.
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