SC No.

LevelError Name/Error Condition/Major Cause/Solution
SC508-01DCutter Sensor Error
Both the cutter switches (the return switch on the left and HP switch on the right) remained on during cutting, when the front cover was opened and closed, or when the machine was switched on.
  • IOB defective
  • Connector dirty
  • Cutter left return switch harness loose, broken, defective
  • Cutter left return switch defective
  • Cutter right return switch harness loose, broken, defective
  • Cutter right return switch defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the condition of the connector of the cutter sensor (left/right) and clean them.
  3. Check the condition of the cutter sensor (left/right) and reconnect them.
  4. Replace the cutter sensor (left/right).
  5. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC508-02DCutter Motor Error
The cutter HP sensor on the right did not go off within 300 ms after the cutter
motor was switched on. The cutter did not move from its home position.
  • IOB defective
  • Connector of the cutter sensor (left/right) dirty
  • Connector of the cutter motor disconnected
  • Harness of the cutter motor broken
  • Cutter sensor (left/right) not installed correctly
  • Cutter motor not installed correctly
  • Belt installed not installed correctly
  • Gear installed not installed correctly
  • Cutter sensor (left/right) defective
  • Cutter motor defective
  • Belt broken
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the condition of the connector of the cutter sensor (left/right) and clean it.
  3. Check the harness connection of the cutter motor.
  4. Check the condition of the cutter sensor (left/right) and reinstall it.
  5. Check the condition of the cutter motor and reinstall it.
  6. Check the condition of the belt and reinstall it.
  7. Check the condition of the gear and reinstall it.
  8. Check the condition of the rail and clean it.
  9. Replace the cutter sensor (left/right).
  10.  Replace the cutter motor.
  11. Replace the belt.
  12. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC508-04DCutter Home Position Return Error
After normal cutting, the right cutter sensor is not set to ON within 8 sec. after the cutter returns to its home position.
  • IOB defective
  • Connector of the cutter sensor (right) dirty
  • Connector of the cutter motor disconnected
  • Harness of the cutter motor broken
  • Cutter sensor (right) not installed correctly
  • Cutter motor not installed correctly
  • Belt not installed correctly
  • Gear not installed correctly
  • Rail not installed correctly
  • Foreign objects
  • Cutter sensor  (right) defective
  • Cutter motor defective
  • Belt broken
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the cutter sensor (right).
  3. Check the harness connection of the cutter motor.
  4. Check the condition of the cutter sensor (right) and reinstall it.
  5. Check the condition of the cutter motor and reinstall it.
  6. Check the condition of the belt and reinstall it.
  7. Check the condition of the gear and reinstall it.
  8. Check the condition of the rail and clean it.
  9. Replace the cutter sensor (right).
  10. Replace the cutter motor.
  11. Replace the belt.
  12. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-01DVertical Paper Feed Mechanism Communication Error
No response of complete stop signal, forced stop acceptance signal, or motor stop voltage update
  • Motor, encoder sensor, encoder sheet dirty or scratched, or GAU defective
  • Communication memory area error
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check that there is no problem with the driving parts (registration roller and its parts, gear, roller, belt, pinch roller). If a belt has slack, pull in the slack tightly.
  3. Replace the driving parts.
  4. Replace GAU.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-02DVertical Paper Feed Hardware Error
  • The machine continuously outputs -24 V for 2.5 seconds.
  • While the machine drives intermittently and the specified voltage (The SP value of Roll End Detection Limit Voltage) is applied, the machine continuously outputs 3 or less pulses in 500 µs for the specified seconds (The SP value of Roll End Detection Duration - 0.1).
    SP1-954-001 (Roll End Detection Limit Voltage)
    SP1-954-002 (Roll End Detection Duration)
  • Motor (defective or broken), sensor (defective, broken, or position error), encoder sheet (broken, position error, or dirty), or other rotation load error.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. If the motor does not move at all after step 1, replace the motor. If it is not recovered, go to step 4.
  3. If the motor moves but does not work normally, replace the sensor.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-03DVertical Paper Feed Operation Direction Error
While the machine drives intermittently, the paper feed encoder sensor outputs 500 pulses in the opposite direction from the start position.
Wrong connection of harnesses on the motor or encoder.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the motor was not correct,  replace the motor harness.
  3. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the encorder was not correct, replace the encorder harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-04DSub Scan Motor Driver Error (Overcurrent)
Response to the motor driver error (overcurrent) from motor control
This error is issued when the motor driver is in overcurrent status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  4. If it is not recovered after step 3, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-05DSub Scan Motor Driver Error (Overheating)
Response to a motor driver error (overheating) from motor control
This error is generated when the motor driver is in overheating status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. Check that there is no abnormal odor, smoke, or fire.
  4. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  5. If it is not recovered after step 4, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC520-06DSub Scan Motor Driver Error (Low Voltage)
Response to the motor driver error (low voltage) from motor control

This error is generated when the motor driver is in low-voltage status.

This error is generated when you try to operate the motor in the state in which the interlock SW is off due to system error.

  1. Check the condition of the interlock switch and the door open/close switch.
  2. Check if the SC occurs by turning the power OFF then ON.
  3. If it is not recovered after step 2, replace IOB.
  4. If it is not recovered after step 3, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-01DPaper Feed Communication Error
No response to forced stop acceptance signal
• Motor, encoder sensor, encoder sheet dirty or scratched, or GAU defective
• Communication memory area error
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check that there is no problem with the driving parts (registration roller and its parts, gear, and others). If a belt has slack, pull in the slack tightly.
  3. If it is not recovered after step 2, replace the driving parts.
  4. If it is not recovered after step 2, replace GAU.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-02DPaper Feed Hardware Error
  • The machine continuously outputs 24 V or -24 V for 2.5 seconds.
Motor (defective or broken), sensor (defective, broken, or position error), encoder sheet (broken, position error, or dirty), and motor load error.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. If the motor does not move at all after step 1, replace the motor. If it is not recovered, go to step 4.
  3. If the motor moves but does not work normally, replace the sensor.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-03DPaper Feed Moving Direction Error
While the machine drives intermittently, the paper feed encoder sensor outputs 500 pulses in the opposite direction from the start position.
Wrong connection of harnesses on the motor or encoder.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the motor was not correct, replace the motor harness.
  3. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the encorder was not correct, replace the encorder harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-04DPaper Feed Motor Driver Error (Overcurrent)
Response to motor driver error (overcurrent) from motor control
This error is issued when the motor driver is in overcurrent status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  4. If it is not recovered after step 3, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-05DPaper Feed Motor Driver Error (Overheat)
Response to motor driver error (overheat) from motor control
This error is generated when the motor driver is in overheating status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. Check that there is no abnormal odor, smoke, or fire.
  4. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  5. If it is not recovered after step 4, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC521-06DPaper Feed Motor Driver Error (Low Voltage)
Response to motor driver error (low voltage) from motor control

This error is generated when the motor driver is in low voltage status.

This error is generated when you try to operate the motor in the state in which the interlock SW is off due to system error.

  1. Check if the interlock switch and door open switch have an error.
  2. Turn the main power OFF and back ON.
  3. If it is not recovered by turning the power OFF and back ON, replace IOB.
  4. If it is not recovered by replacement of IOB, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-01DRoll-up Communication Error
No response of slack driving signal or forced stop acceptance signal.
  • Motor, encoder sensor, encoder sheet dirty or scratched, or GAU defective
  • Communication memory area error
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check that there is no problem with the driving parts (registration roller and its parts, gear, and others).
  3. Replace the driving parts.
  4. Replace GAU.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-02DRoll-up Hardware Error
  • The machine continuously outputs 24 V or -24 V for 2.5 seconds.
Motor (defective or broken), sensor (defective, broken, or position error), encoder sheet (broken, position error, or dirty), and motor load error.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. If the motor does not move at all after step 1, replace the motor. If it is not recovered, go to step 4.
  3. If the motor moves but does not work normally, replace the sensor.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-03DRoll-up Moving Direction Error
While the machine drives intermittently, the paper feed encoder sensor outputs 500 pulses in the opposite direction from the start position.
Wrong connection of harnesses on the motor or encoder.
  1. After checking the following contents, check if the SC occurs by turning the power OFF then ON.
    • Connector of sensor or motor disconnected
    • Sensor or encoder sheet not installed in the correct position
    • Encoder sheet dirty or scratched
  2. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the motor was not correct, replace the motor harness.
  3. After the main switch has been turned OFF and ON or the motor or an encoder error has been recovered, and then if the harness of the encorder was not correct, replace the encorder harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-04DPaper Output Motor Driver Error (Overcurrent)
Response to motor driver error (overcurrent) from motor control
This error is issued when the motor driver is in overcurrent status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  4. If it is not recovered after step 3, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-05DPaper Output Motor Driver Error (Overheat)
Response to motor driver error (overheat) from motor control
This error is generated when the motor driver is in overheating status.
  1. Check that there is no problem on the driving parts (registration roller and its parts, gear, roller, belt, and pinch roller).
  2. Check that there is no problem on sliding.
  3. Check that there is no abnormal odor, smoke, or fire.
  4. If no problem is found above but it is not recovered by setting the main power switch to OFF and back ON, replace IOB.
  5. If it is not recovered after step 4, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC523-06DPaper Output Motor Driver Error (Low Voltage)
Response to motor driver error (low voltage) from motor control
This error is generated when the motor driver is in low voltage status.
  1. Check if the interlock switch and door open/close switch have an error.
  2. Turn the main power OFF and back ON.
  3. If it is not recovered by turning the power OFF and back ON, replace IOB.
  4. If it is not recovered by replacement of IOB, replace the harness.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC530-00DTransport Suction Fan 1 Error
  • The check system always operates while the transport suction fan is ON mode.
  • Sampling period:
    The check system determines that it is the error when the number of revolution during 0.3 seconds is 100 rpm or less three times consecutively.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Transport suction fan defective
  • Transport suction fan locked
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the transport suction fan. If it is disconnected, connect it correctly.
  3. Check the condition of the transport suction fan and clean it.
  4. Replace the transport suction fan.
  5. Replace the relay cable of the transport suction fan.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC532-00DPSU Fan 1 Error
Abnormal (locked) condition is detected 50 times (for 5 seconds) consecutively.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Fan defective
  • Fan locked
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of two PSU fans. If they are disconnected, connect them correctly.
  3. Check the condition of two PSU fans and clean them.
  4. Replace two PSU fans.
  5. Replace the relay cable of two PSU fans.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC533-01D

Internal Air Intake Fan Error

Abnormal (locked) condition is detected 50 times (for 5 seconds) consecutively.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Fan defective
  • Fan locked
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the internal air intake fan. If it is disconnected, connect it correctly.
  3. Check the condition of the internal air intake fan and clean them.
  4. Replace the internal air intake fan.
  5. Replace the relay cable of the internal air intake fan.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC533-02D

Internal Ventilation Fan 1 Error

SC533-03D

Internal Ventilation Fan 2 Error

  Abnormal (locked) condition is detected 50 times (for 5 seconds) consecutively.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Fan defective
  • Fan locked
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the internal ventilation fan. If it is disconnected, connect it correctly.
  3. Check the condition of the internal ventilation fan and clean them.
  4. Replace the internal ventilation fan.
  5. Replace the relay cable of the internal ventilation fan.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC534-01DCarriage Cooling Fan 1 Error
SC534-02DCarriage Cooling Fan 2 Error
SC534-03DCarriage Cooling Fan 3 Error
  After electrostatic noise of the input signal (approximately 1 ms) is removed,
Approximately 20 ns lock signal is detected five times consecutively in FPGA. (This error itself occurs when approximately 105 ns is detected.)
  • HDC defective
  • Harness broken
  • Connector disconnected
  • Fan locked or defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the carriage cooling fan. If it is disconnected, connect it correctly.
  3. Check the condition of the carriage cooling fan and clean them.
  4. Replace the carriage cooling fan.
  5. Replace the relay cable of the carriage cooling fan.
  6. Replace HDC.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC535-00DFan Motor Stop
Abnormal (locked) condition is detected 50 times (for 5 seconds) consecutively.
  • Fan defective
  • Fan lock
  • Connector disconnected
  • Harness broken
  • IOB defective
  1. Check if the SC occurs by turning the power switch OFF, and then ON.
  2. Check the harness connection of the dry curing fan.
  3. Check the condition of the dry curing fan and clean. 
  4. Replace the dry curing fan.
  5. Replace the relay cable of the dry curing fan.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC541-01DPre-heater Thermistor Broken (Sensor 1)
SC541-02DPre-heater Thermistor Broken (Sensor 2)
  This error is generated immediately when the temperature becomes -20 degrees or lower for 20 seconds consecutively on the display.
  • Pre-heater thermistor, thermopile broken or connector disconnected.
  • Operating environment is less than -20 degrees.
  • Check the connector.
  • Replace pre-heater thermistor, thermopile.
  • Set the operating environment to -19 degrees or more.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC542-01DPre-Heater Thermistor Reload Failure (Heater 1)
SC542-02DPre-Heater Thermistor Reload Failure (Heater 2)
  
  • Reloading is not completed within the specified time.
  • When it can not rise to the outside temperature plus 30 degrees.
  • Pre-heater broken or connector disconnected
  • Heater circuit broken by pre-heater thermostat operation.
  • Pre-heater thermistor is floating, deformation.
  • Reduction of input voltage
  • Low temperature environment (outside the guaranteed range)
  • Make the operating environment 15 degrees or higher.
  • Check input voltage.
  • Replace heater.
  • Replace the thermostat.
  • Check if the thermistor is floating.
  • Check the connector.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC543-01DSoftware Overheat Detection (Sensor 1)
SC543-02DSoftware Overheat Detection (Sensor 2)
  The machine detects the temperature above the setting value (initial value: 95 degrees) of SP1-141-112 (Pre-Heater High Temp. Detect) for one second or more.
  • Thermostat (SSR or others) defective
  • Software runaway
  • Check the condition of the thermostat and replace it.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC545-01DPre-Heater Upper Fusing Lamp Lit Continuously (Heater 1)
SC545-02DPre-Heater Center Fusing lamp lit continuously (Heater 2)
  
  • When the lamp lights for 300 seconds or more after reloading, the temperature does not reach the target temperature.
  • When it can not rise to the outside temperature plus 30 degrees.
  • Input voltage reduction
  • Pre-heater thermistor floating
  • Heater broken or connector disconnected.

  • Heater circuit broken by thermostat operation.

  • Low temperature environment (outside the guaranteed range)
  • Check input voltage and pre-heater thermistor.
  • Make the operating environment 15 degrees or higher.

  • Check the connector.

  • Replace the heater.

  • Replace the thermostat.

SC No.LevelError Name/Error Condition/Major Cause/Solution
SC547-01DFusing Relay Contact Welded (Resulting From Zero Cross 1)
After the interlock door is fixed to close, the zero cross 1 signal is detected before turning ON the fusing relay.
  • Fusing relay defective (contact welded)
  • Fusing relay drive circuit defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection between CN480 on ACD and CN149 on IOB.
  3. Replace ACD.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC547-02DFusing Relay Contact Defective (Resulting From Zero Cross 1)
After relay is ON, the zero cross 1 signal is not detected.
  • Fusing relay defective (contact open)
  • Fusing relay drive circuit defective
  • Harness broken between ACD and IOB
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection between CN480 on ACD and CN149 on IOB.
  3. Replace ACD.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC547-03DZero Cross Error (Low Frequency Error)
The AC power supply frequency is low or unstable.
Unstable commercial power supply frequency
  1. Turn the main power switch off and on.
  2. If turning the main power switch off and on does not solve the problem, check the power supply line from the wall socket.
  3. Check and replace ACD, IOB, and harnesses.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC547-11DFusing Relay Contact Welded (Resulting From Zero Cross 2)
After the interlock door is fixed to close, the zero cross 2 signal is detected before turning ON the fusing relay.
  • Fusing relay defective (contact welded)
  • Fusing relay drive circuit defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection between CN480 on ACD and CN149 on IOB.
  3. Replace ACD.
  4. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC551-01DPrint Heater Thermistor Broken (Sensor 3)
SC551-02DPrint Heater Thermistor Broken (Sensor 4)
SC551-03DPrint Heater Thermistor Broken (Sensor 5)
  This error is generated immediately when the temperature becomes -20 degrees or lower for 20 seconds consecutively on the display.
  • Print heater thermistor broken or connector disconnected.
  • Operating environment is less than -20 degrees.
  • Check the connector.
  • Replace print heater thermistor, thermopile.
  • Set the operating environment to -19 degrees or more.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC552-01DPrint Heater Thermistor Reload Failure (Heater 3)
SC552-02DPrint Heater Thermistor Reload Failure (Heater 4)
SC552-03DPrint Heater Thermistor Reload Failure (Heater 5)
  
  • Reloading time exceeds the specified time (900 seconds).
  • When it can not rise to the outside temperature plus 30 degrees.
  • Print heater broken or connector disconnected
  • Heater circuit broken by print heater thermostat
  • Print heater thermistor float, deformation.
  • Reduction of input voltage
  • Low temperature environment (outside the guaranteed range)
  • Check input voltage and pre-heater thermistor.
  • Make the operating environment 15 degrees or higher.
  • Replace the print heater.
  • Replace the print heater thermostat.
  • Check if the print heater thermistor is floating.
  • Check the connector.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC553-01DSoftware Overheat Detection (Sensor 3)
SC553-02DSoftware Overheat Detection (Sensor 4)
SC553-03DSoftware Overheat Detection (Sensor 5)
  The machine detects the temperature above 95 degrees for one second or more.
  • ACD (a triac or others) defective
  • Software runaway
  • Check the condition of ACD and replace it.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC555-01DPrint Heater End Right lit continuously (Heater 3)
SC555-02DPrint Heater Center lit continuously (Heater 4)
SC555-03DPrint Heater End Left lit continuously (Heater 5)
  
  • When the lamp lights for 300 seconds or more after reloading, the temperature does not reach the target temperature.
  • When it can not rise to the outside temperature plus 30 degrees.
  • Input voltage reduction
  • Low temperature environment (outside the guaranteed range)
  • Print heater thermistor floating

  • Heater broken or connector disconnected.

  • Heater circuit broken by thermostat operation.

  • Check input voltage and print heater thermistor.
  • Make the printer operating 15 degrees or higher.

  • Check the connector.

  • Replace the heater.

  • Replace the thermostat.

SC No.LevelError Name/Error Condition/Major Cause/Solution
SC557-00CZero Cross Error (High Frequency)
The AC power supply frequency is high or unstable.
  • Unstable commercial power supply frequency
  • Noise
Nothing
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC561-01DPost heater Thermistor Broken (Sensor 6)
SC561-02DPost heater Thermistor Broken (Sensor 7)
SC561-03DPost heater Thermistor Broken (Sensor 8)
  

This error is generated immediately when the temperature becomes -20 degrees or lower for 20 seconds consecutively on the display.

  • Post heater thermistor, thermopile broken or disconnected.
  • Operating environment is less than -20 degrees.
  • Check the connector.
  • Replace post heater thermistor, thermopile.
  • Set the operating environment to -19 degrees or more.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC562-01DPost heater Thermistor Reload Failure (Sensor 6)
SC562-02DPost heater Thermistor Reload Failure (Sensor 7)
  
  • Reloading time exceeds the specified time.
  • When it can not rise to the outside temperature plus 30 degrees.
  • Input voltage reduction
  • Low temperature environment (outside the guaranteed range)
  • Post heater broken or connector disconnected.
  • Heater circuit broken by post heater thermostat.
  • Post heater thermistor float, deformation.
  • Check input voltage.
  • Make the operating environment 15 degrees or higher.
  • Replace the post heater.
  • Replace the post heater thermostat.
  • Check if the post heater thermistor is floating.
  • Check the connector.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC563-01DSoftware Overheat Detection (Sensor 6)
SC563-02DSoftware Overheat Detection (Sensor 7)
SC563-03DSoftware Overheat Detection (Sensor 8)
  The machine detects the temperature above 109 degrees for one second or more.
  • ACD (a triac or others) defective
  • Software runaway
  • Check the condition of ACD, IOB, and harnesses, and then replace.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC565-01DPost Heater Upper Lit Continuously (Heater 6)
SC565-02DPost Heater Center Lit Continuously (Heater 7)
  When the lamp lights for 450 seconds or more after reloading, the temperature does not reach the target temperature.
  • Input voltage reduction
  • Low temperature environment (outside the guaranteed range)
  • Post heater thermistor floating

  • Heater broken or connector disconnected.

  • Heater circuit broken by thermostat operation.

  • Check input voltage and post heater thermistor.
  • Make the operating environment 15 degrees or higher.

  • Check the connector.

  • Replace the heater.

  • Replace the thermostat.

SC No.LevelError Name/Error Condition/Major Cause/Solution
SC571-00DCure Heater Thermopile Broken (Sensor 9)
This error is generated immediately when the temperature becomes -20 degrees or lower for 20 seconds consecutively on the display.
  • Cure heater thermopile broken or disconnected
  • Operating environment is less than -20 degrees.
  • Check the connector.
  • Replace the cure heater thermopile.
  • Set the operating environment to -19 degrees or more.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC572-00ACure Heater Thermistor Reload Failure (Sensor 10, 11)

The specified temperature is not reached within the elapsed time.

Setting of the specified temperature and the elapsed time can be done in SP1-141-113,114.

The temperature does not reach the outside air temperature+15 degrees.

  • Input voltage reduction
  • Low temperature environment (outside the guaranteed range)
  • Cure heater broken or connector disconnected
  • Heater circuit broken by cure heater thermostat
  • Cure heater thermistor float, deformation.
  • Check input voltage.
  • Make the operating environment 15 degrees or higher.
  • Replace the cure heater.
  • Replace the cure heater thermostat.
  • Check if the cure heater thermistor is floating.
  • Check the connector.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC573-01DTemperature and Humidity Sensor Error (Temperature)
Temperature and humidity sensor error is detected for the specified period of time.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Temperature/Humidity Sensor defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the temperature and humidity sensor.
  3. Check the condition of the temperature and humidity sensor and clean it.
  4. Replace the temperature and humidity sensor.
  5. Replace the relay cable of  the temperature and humidity sensor.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC573-02DTemperature and Humidity Sensor Error (Temperature)
Temperature and humidity sensor error is detected for the specified period of time.
  • IOB defective
  • Harness broken
  • Connector disconnected
  • Temperature/Humidity Sensor defective
  1. Check if the SC occurs by turning the power OFF then ON.
  2. Check the harness connection of the temperature and humidity sensor.
  3. Check the condition of the temperature and humidity sensor and clean it.
  4. Replace the temperature and humidity sensor.
  5. Replace the relay cable of the temperature and humidity sensor.
  6. Replace IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC574-01AHardware Overheat Detection (Sensor 1, 2, 10, 11)
This SC is generated when hardware electric circuit detects thermistor temperature and it exceeds the specified temperature.
  • Sensor 1, 2 :thermistor temperature 105 degrees
  • Sensor 10, 11 :thermistor temperature 85 degrees
  • ACD (a triac or others) defective
  • Software runaway
  • Thermistor shorted
  • IOB defective
  • Check the condition of ACD, IOB, and harnesses, and then replace.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC574-02DHardware Overheat Detection (Sensor 3, 4, 5, 6, 7, 8)
This SC is generated when the hardware electric circuit detects thermistor temperature and it exceeds the specified temperature.
  • Sensor 3, 4, 5 :thermistor temperature 105 degrees
  • Sensor 6, 7, 8 :thermistor temperature 110 degrees
  • ACD (a triac or others) defective
  • Software runaway
  • Thermistor shorted
  • IOB defective
  • Check the condition of ACD, IOB, and harnesses, and then replace.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC576-01ASoftware Overheat Detection (Sensor 9)
SC576-02ASoftware Overheat Detection (Sensor 10)
SC576-03ASoftware Overheat Detection (Sensor 11)
  
  • SC576-01 (Sensor 9) is generated when 140 degrees or more are detected.
  • SC576-02, 03 (Sensor 10, 11) are generated when 80 degrees or more are detected. 
  • ACD (a triac or others) defective
  • Software runaway
  • Set the temperature to 20 degrees (initial value) in SP1-100-018. If the error occurs again, raise the temperature slightly.
  • Check and replace ACD, IOB, and harnesses.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC581-01DReflector Thermistor Broken (Sensor 10)
SC581-02DReflector Thermistor Broken (Sensor 11)
  This error is generated immediately when the temperature becomes -20 degrees or lower for 20 seconds consecutively on the display.
  • Thermistor broken or disconnected.
  • Operating environment is less than -20 degrees.
  • Check the connector.
  • Replace the thermistor.
  • Set the operating environment to -19 degrees or more.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC585-00DLow Voltage Detection
By the voltage detection, it is found that input voltage is under 170 V for five seconds or more consecutively.
Input Voltage
Check the input voltage.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC586-00AHigh Voltage Detection
By the voltage detection, it is found that input voltage exceeds 287 V.
Input Voltage
Check the input voltage.