Feedshift And Duplex Sections - Kyocera KM-4230 Service Manual

2A3/4

• Feedshift and duplex sections

Problem
(1)
The side reg-
istration motor
does not ro-
tate (C220).
(2)
The feedshift
solenoid does
not operate.
(3)
The duplex
forward sole-
noid does not
operate.
3-6-92
Causes
Poor contact in the
side registration
motor connector
terminals.
Broken side regis-
tration motor gear.
Defective side reg-
istration motor.
Broken feedshift
solenoid coil.
Poor contact in the
feedshift solenoid
connector termi-
nals.
Defective engine
PCB.
Broken duplex
forward solenoid
coil.
Poor contact in the
duplex forward
solenoid connector
terminals.
Defective engine
PCB.
Check procedures/corrective measures
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check visually and replace the side registra-
tion motor if necessary.
Check for continuity across the coil. If none,
replace the side registration motor.
Check for continuity across the coil. If none,
replace the feedshift solenoid.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U033 and check if
CN3-A8 on the engine PCB goes low. If not,
replace the engine PCB.
Check for continuity across the coil. If none,
replace the duplex forward solenoid.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U033 and check if
CN10-8 on the engine PCB goes low. If not,
replace the engine PCB.