Original Feed Timing - Kyocera Mita KM-4530 Service Manual

2BC/D

(1-1) Original feed timing

OFSOL A
OFSOL R
Fwd. rotation
OFM
Rev. rotation
OSBSW
DFTSW
Timing chart 2-1-12 Original feed (in simple-sided original mode)
a The OFSOL A signal goes high for 10 ms and then turns off for 200 ms. It goes high again for 150 ms and the original
feed solenoid (OFSOL) turns on, raising the original feed lift to convey the original forward.
b 298 OFM pulses after the leading edge of the original turns the original feed switch (OFSW) on, the original feed
clutch (OFCL) and original feed motor (OFM) turn off. 20 ms later, the rotation of the motor switches to the reverse
direction and secondary original feed is performed by rotation of the DF registration roller.
c Simultaneously as the trailing edge of the original turns the original feed switch (OFSW) off, the original feed motor
(OFM) turns off.
d After ejection of the original, as the original conveying motor (OCM) turns off, the OFSOL R signal turns on for 150
ms and the original feed solenoid (OFSOL) turns off.
2-1-38
10 ms 150 ms
200 ms
OFCL
Off
298 P* 20 ms
OFSW
OCM
150 ms
*Burst of OFM pulses