Kyocera FS-1028MFP Service Manual page 106

2H9
Problem
(6)Paper feed clutch
does not operate.
(7)Developing clutch
does not operate.
(8)MP paper feed
solenoid does not
operate.
(9)Duplex solenoid
does not operate.
(10)Eraser lamp
does not turn on.
(11)Paper indicator is
flashing when paper
is present in the cas-
sette.
1-4-16
Causes
Broken paper feed clutch
coil.
Defective harness between
paper feed clutch and con-
trol PWB (YC20), or
improper connector inser-
tion.
Defective control PWB.
Broken developing clutch
coil.
Defective harness between
developing clutch and con-
trol PWB (YC20), or
improper connector inser-
tion.
Defective control PWB.
Broken MP paper feed sole-
noid coil.
Defective harness between
MP paper feed solenoid
and control PWB (YC21), or
improper connector inser-
tion.
Defective control PWB.
Broken duplex solenoid
coil.
Defective harness between
duplex solenoid and control
PWB (YC29), or improper
connector insertion.
Defective control PWB.
Defective harness between
eraser lamp (YC701) and
control PWB (YC28), or
improper connector inser-
tion.
Defective eraser lamp
(PWB).
Defective control PWB.
Defective paper sensor.
Defective harness between
paper sensor and control
PWB (YC18), or improper
connector insertion.
Check procedures/corrective measures
Check for continuity across the coil. If none, replace the paper
feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-39).
Check for continuity across the coil. If none, replace the develop-
ing clutch.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-39).
Check for continuity across the coil. If none, replace the MP paper
feed solenoid.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-39).
Check for continuity across the coil. If none, replace the duplex
solenoid.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-39).
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Replace the eraser lamp (PWB).
Replace the control PWB (See page 1-5-39).
Replace the paper sensor.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.