Kyocera KM-2020

2C9
1-5-29
Problem Causes Check procedures/corrective measures
(5)
The scanner motor
does not operate.
(6)
Cooling fan motor 1
does not operate.
(7)
Cooling fan motor 2
does not operate.
(8)
The paper feed
clutch does not op-
erate.
(9)
The bypass paper
feed clutch does not
operate.
(10)
The cleaning lamp
does not turn on.
(11)
The exposure lamp
does not turn on.
Broken scanner motor coil.
Poor contact in the scan-
ner motor connector termi-
nals.
Broken cooling fan motor 1
coil.
Poor contact in the cooling
fan motor 1 connector ter-
minals.
Broken cooling fan motor 2
coil.
Poor contact in the cooling
fan motor 2 connector ter-
minals.
Broken paper feed clutch
coil.
Poor contact in the paper
feed clutch connector ter-
minals.
Defective engine PCB.
Broken bypass paper feed
clutch coil.
Poor contact in the bypass
paper feed clutch connec-
tor terminals.
Defective engine PCB.
Poor contact in the clean-
ing lamp connector termi-
nals.
Defective cleaning lamp.
Defective engine PCB.
Poor contact in the expo-
sure lamp connector termi-
nals.
Defective inverter PCB.
Defective engine PCB.
Check for continuity across the coil. If none, replace the scanner
motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 1.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 2.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace the paper
feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC8-3 on the engine
PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace the bypass
paper feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC8-5 on the engine
PCB goes low. If not, replace the engine PCB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity. If none, replace the cleaning lamp.
If the cleaning lamp turns on when YC3-7,8 on the engine PCB
is held low, replace the engine PCB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U061 and check if the exposure lamp
turns on with YC1-1 and YC1-6 on the inverter PCB go low. If
not, replace the inverter PCB.
Run maintenance item U061 and check if YC17-1 and YC17-6
on the engine PCB goes low. If not, replace the engine PCB.