Electric Problems - Kyocera FS-C5350DN Service Manual

2K8
1-4-4

Electric problems

Problem
(1)The machine does
not operate when the
power switch is
turned on.
(2)Drum motor M/C/
Y/K, duplex motor
and fuser motor do
not operate.
(3)Power source fan
motor, ozone fan
motor, developing fan
motor1/2 and fuser
fan motor 1/2 do not
operate.
(4)Paper feed clutch,
registration clutch,
developing clutch K,
duplex clutch and
intermediate clutch
do not operate.
(5)MP paper feed
solenoid, ID solenoid,
duplex solenoid do
not operate.
1-4-28
Causes
The power cord is not
plugged in properly.
No electricity at the power
outlet.
Broken power cord.
Defective power switch.
Defective power source
PWB.
Defective harness or
improper connector inser-
tion.
Broken the gear.
Defective motor.
Defective engine PWB.
Broken the fan motor coil.
Defective harness or
improper connector inser-
tion.
Defective engine PWB.
Broken clutch coil.
Defective harness or
improper connector inser-
tion.
Defective engine PWB.
Broken solenoid coil.
Defective harness or
improper connector inser-
tion.
Defective engine PWB.
Defective paper exit PWB.
Check procedures/corrective measures
Check the contact between the power plug and the outlet.
Measure the input voltage.
Check for continuity. If none, replace the cord.
Check for continuity across the contacts. If none, replace the
power switch.
Replace the power source PWB (See page 1-5-26).
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Drum motor M/C/Y/K - Engine PWB (YC18)
Duplex motor - Engine PWB (YC17)
Fuser motor - Engine PWB (YC39)
Check visually and replace the gear if necessary.
Replace the motor.
Replace the engine PWB (See page 1-5-29).
Check for continuity across the coil. If none, replace the fan
motor.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Power source fan motor - Engine PWB (YC8)
Ozone fan motor - Engine PWB (YC11)
Developing fan motor 1 - Engine PWB (YC10)
Developing fan motor 2 - Engine PWB (YC41)
Fuser fan motor 1 - Paper exit PWB (YC2)
Fuser fan motor 2 - Engine PWB (YC44)
Replace the engine PWB (See page 1-5-29).
Check for continuity across the coil. If none, replace the clutch.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Paper feed clutch - Engine PWB (YC26)
Registration clutch - Engine PWB (YC26)
Developing clutch K - Engine PWB (YC26)
Duplex clutch - Engine PWB (YC3)
Intermediate clutch - Engine PWB (YC3)
Replace the engine PWB (See page 1-5-29).
Check for continuity across the coil. If none, replace the solenoid.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
MP paper feed solenoid - Engine PWB (YC40)
ID solenoid - Engine PWB (YC43)
Duplex solenoid - paper exit PWB (YC3)
Replace the engine PWB (See page 1-5-29).
Replace the paper exit PWB.