Feedshift And Duplex Sections; The Feedshift Solenoid Does Not Operate - Kyocera Mita KM-4230 Service Manual

2A3/4

• Feedshift and duplex sections

Problem
(1) Poor contact in the
The side reg- side registration
istration motor motor connector
does not ro- terminals.
tate (C220).
Broken side regis-
tration motor gear.
Defective side reg-
istration motor.
(2) Broken feedshift
The feedshift solenoid coil.
solenoid does
Poor contact in the
not operate.
feedshift solenoid
connector termi-
nals.
Defective engine
PCB.
(3) Broken duplex
The duplex forward solenoid
forward sole- coil.
noid does not
Poor contact in the
operate.
duplex forward
solenoid connector
terminals.
Defective engine
PCB.
3-6-92
Causes 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.