4. Troubleshooting► Error CodeM2–1211M2–1213M2–1214► Error messagePaper jam inside of machine.► SymptomPaper jam has occurred inside the machine. (Regi. roller drive is defective / Regi. sensor is defective.)► Troubleshooting method• M2–1211 : When the machine is warming-up, jammed paper inside machine is detected.• M2–1213 : The leading edge of the paper has not reached the regi. sensor within the specified time.• M2-1214 : The paper has not left from the regi. sensor within the specified time.1) Open the side cover. Remove the jammed paper.2) If jammed paper occurs continually, check the following.a) Enter SVC mode. Execute Regi. motor test. If the motor operation is normal, go to step d).b) Remove the rear cover. Check if the Regi/MP motor cable is connected correctly.c) If the connection is OK, replace the Regi./MP drive unit(JC93-00443A).(Refer to 3.3.16. Regi./MP Drive unit)d) If the motor operation is normal, check the regi. sensor.e) If the sensor operation is abnormal, check the harness.f) If the connection is OK, replace the regi. sensor (0604-001381).(Refer to 3.3.27. Registration Unit)4-159 Copyright© 1995-2016 SAMSUNG. All rights reserved.