Description: Return is not completed within the specified time.
Causes: When the mirror base is returned for the specified time (6 sec) in mirror initializing after turning on the power, the mirror home position sensor (MHPS) does not turn ON. Or when the mirror base is returned for the specified time (about 6 sec) after start of copy return, the mirror home position sensor (MHPS) does not turn ON.
Code: L4-01
Description: Main motor lock
Causes: When the main motor encoder pulse is not detected for 100 msec.
Code: L6-10
Description: Polygon motor lock
Causes: The lock signal (specified rpm signal) does not return within a certain time (about 20 sec) from starting the polygon motor rotation
Code: U2-01
Description: Counter sum check error
Causes: When the counter check sum value stored in the EEPROM is abnormal.
Code: U2-04
Description: EEPROM serial communication error
Causes: When a communication trouble occurs with the EEPROM.