Description: Heat roller abnormally high temperature
Causes: The fusing temperature rises above 240°C.
Code: H4-00
Description: Heat roller abnormally low temperature
Causes: The fusing temperature does not reach 185°C within 27sec of turning on the power, or the fusing temperature keeps at 140°C.
Code: L1-00
Description: Feeding is not completed within the specified time after starting feeding.
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 OFF. Or when the mirror base is fed for the specified time (about 6 sec) after start of copy return, the mirror home position sensor (MHPS) does not turn OFF.
Code: L3-00
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 100msec.
Code: L6-10
Description: Polygon motor lock
Causes: The lock signal (specified rpm signal) does not return within a certain time (about 20sec) 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.