The Scanner Motor Does Not Operate; Cooling Fan Motor 1 Does Not Operate; Cooling Fan Motor 2 Does Not Operate - Kyocera KM-1620 Service Manual

Problem
(5) Broken scanner motor coil.
The scanner motor
does not operate.
Poor contact in the scan-
ner motor connector termi-
nals.
(6) Broken cooling fan motor 1
Cooling fan motor 1 coil.
does not operate.
Poor contact in the cooling
fan motor 1 connector ter-
minals.
(7) Broken cooling fan motor 2
Cooling fan motor 2 coil.
does not operate.
Poor contact in the cooling
fan motor 2 connector ter-
minals.
(8) Broken paper feed clutch
The paper feed coil.
clutch does not op-
Poor contact in the paper
erate.
feed clutch connector ter-
minals.
Defective engine PCB.
(9) Broken bypass paper feed
The bypass paper clutch coil.
feed clutch does not
Poor contact in the bypass
operate.
paper feed clutch connec-
tor terminals.
Defective engine PCB.
(10) Poor contact in the clean-
The cleaning lamp ing lamp connector termi-
does not turn on. nals.
Defective cleaning lamp.
Defective engine PCB.
(11) Poor contact in the expo-
The exposure lamp sure lamp connector termi-
does not turn on. nals.
Defective inverter PCB.
Defective engine PCB.
Causes
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.
Check procedures/corrective measures
2C9
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