Description: Master Making Unit lock solenoid error The master making unit lock sensor does not turn off after releasing the master making unit lock solenoid.
Causes: • Defective master making unit lock solenoid • Defective master making unit lock sensor.
Code: SC300
Description: Main motor lock (1st drum position sensor does not turn on) At power on or when the drum returns to home position, the 1st drum position sensor is not activated for more than 5 seconds after the main motor on signal is generated.
Causes: • Defective sensor • Defective main motor • Defective main motor drive board • Defective FU703+704 on the PSU • Damage gear of main motor
Code: SC301
Description: Main motor lock (motor control signal error) The CPU on the motor control board detects an abnormal signal from the main motor encoder.
Causes: • Defective main motor • Defective main motor drive board
Code: SC302
Description: Main motor lock (3rdDrum Home position sensor error) When the drum is at the home position, 3rddrum home position sensor does not turn on 3 continuous times.
Causes: • Defective sensor
Code: SC304
Description: Drum shift motor lock (HP sensor error) At power on, the sensor signal does not change for more than 3 seconds after the drum shift motor on signal is generated.
Causes: • Defective sensor • Defective motor
Code: SC305
Description: Drum shift motor lock (no encoder pulse) At power on or when the image side-toside shift mode is selected, the CPU detects no encoder pulse from the sensor for more than 6 seconds after the drum shift motor on signal is generated.
Causes: • Defective sensor
Code: SC306
Description: Drum thermistor shut off The signal from the thermistor cuts off. (below -25 degrees centigrade.)
Causes: • Thermistor circuit cut off
Code: SC307
Description: Hot Ink The temperature of ink is more than 61 ° C