Quenching - Ricoh FW780 Service Manual

Rev. 5/95
7.

QUENCHING

[B]
[A]
After the drum [A] is cleaned by the cleaning blade, light from the quenching lamp
[B] neutralizes any charge remaining on the drum. The quenching lamp turns on
and off at the same time as the main motor.
The main board turns on the quenching lamp LEDs by dropping CN104-B26 to 0
volt.
SM 2-26 A163