St Feed Motor Does Not Operate; The Registration Clutch Does Not Operate; The Paper Feed Clutch Does Not Operate; The St Paper Feed Clutch Does Not Operate - Kyocera Mita KM-1810 Service Manual

2A1/2
Problem
(6) Broken Original feed motor
Original feed motor coil.
does not operate.
Poor contact in the
Original feed motor
connector terminals.
(7) Broken ST feed motor*
ST feed motor* coil.
does not operate.
Poor contact in the ST
feed motor* connector
terminals.
(8) Broken registration clutch
The registration coil.
clutch does not
Poor contact in the
operate.
registration clutch
connector terminals.
(9) Broken paper feed clutch
The paper feed coil.
clutch does not
Poor contact in thepaper
operate.
feed clutch connector
terminals.
(10) Broken ST paper feed
The ST paper feed clutch* coil.
clutch* does not
Poor contact in the ST
operate.
paper feed clutch*
connector terminals.
(11) Broken bypass paper feed
The bypass paper clutch coil.
feed clutch does not
Poor contact in the bypass
operate.
paper feed clutch
connector terminals.
(12) Poor contact in the
The cleaning lamp cleaning lamp connector
does not turn on. terminals.
Defective cleaning lamp.
(13) Poor contact in the
The exposure lamp exposure lamp connector
does not turn on. terminals.
Defective inverter PCB.
(14) Defective inverter PCB.
The exposure lamp
does not turn off.
(15) Broken wire in fixing
The fixing heater heater.
does not turn on
Fixing unit thermostat
(C610).
triggered.
*: Optional.
1-5-24
Causes
Check for continuity across the coil. If none, replace Original
feed motor.
Reinsert the connector. Also check for continuity within the
connector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace ST feed
motor*.
Reinsert the connector. Also check for continuity within the
connector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace the
registration clutch.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy 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
connector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the ST
paper feed clutch*.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the bypass
paper feed clutch.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check for continuity. If none, replace the cleaning lamp.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
If the exposure lamp does not turn on when CN12-1 and CN12-2
on the main PCB are held low, replace the inverter PCB.
If the exposure lamp does not turn off when CN12-1 and CN12-2
on the main PCB are held high, replace the inverter PCB.
Check for continuity across the heater. If none, replace the
heater.
Check for continuity across the thermostat. If none, remove the
cause and replace the thermostat.
Check procedures/corrective measures