Ricoh FT3320 Service Training Manual page 50

About 0.4
puts a LOW signal at
PCB [PCB3], and turns on the PTL. The main motor,
quenching lamp all turn on at the same time.
after the Start key is pressed, the main PCB [PCB1 ] out-
This signal energizes
CN104-4.
ac drive
RA601 on the
fan, and
optics cooling