Samsung SCX-FIN20S Service Manual page 25

Paper does not feed into the machine
Conditions
The Slip of paper
transporting or Skew has
occured.
Feed Roller does not work.
The gear(pulley) is idling
with motor.
Paper detection failure
Service Manual
Troubleshooting
Cause
Idle Roller pressure Spring is deformed.
Exit force is decreased by Roller
deformation.
Exit force is decreased by environment.
Interface Cable disconnection
Connector is not connected properly.
Feed Motor is defective.
PCBA is defective.
Pressure between motor pivot and gear is
defective.
Paper detection Sensor is defective.
Flapper/Actuator is defective.
4-8
Solutions
Replace the Idle Roller pressure
Spring.
Replace the defective Roller
Replace the defective Roller
Reconnect or replace the Interface
Cable
Connect the Connector
Replace the Feed Motor
Replace the PCBA
Replace the Feed Motor.
Replace the Paper detection Sensor.
Replace the Flapper/Actuator
SAMSUNG ELECTRONICS