Description: Abnormally low heating roller temperature
• The temperature detected by the thermistor /1 remains lower than the specified value for a given period of time or longer.
Remedy: 1 Check the fuser unit for correct installation (whether it is secured in position). 2 Check the fuser unit, DCPU, and MFPB for proper connection and correct as necessary. 3 Change fuser unit. 4 Change MFPB. 5 Change DCPU.
Code: 0520
Display: FUSER ERROR
Description: Abnormally high heating roller temperature
• The temperature detected by the thermistor /1 remains higher than the specified value for a given period of time or longer. • The heater lamp remains ON for a given period of time or longer.
Remedy: 1 Check the fuser unit for correct installation (whether it is secured in position). 2 Check the fuser unit, DCPU, and MFPB for proper connection and correct as necessary. 3 Change fuser unit. 4 Change MFPB. 5 Change DCPU.
Code: 0F50
Display: PT SENSOR
Description: OHP sensor malfunction
• It is determined that the OHP sensor is faulty through a check made at the end of the predrive.
Remedy: 1 Check the MFPB connector for proper connection and correct as necessary. 2 PS7 sensor check MFPB PJ15MFPB-5 (ON) C-5. 3 Change MFPB.
Code: 0F52
Display: TE SENSOR Y
Description: Toner level sensor /Y malfunction
• An error occurs on the toner level sensor board (TLSB).
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change TLSB. 3 Change MFPB.
Code: 0F53
Display: TE SENSOR M
Description: Toner level sensor /M malfunction
• An error occurs on the toner level sensor board (TLSB).
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change TLSB. 3 Change MFPB.
Code: 0F54
Display: TE SENSOR C
Description: Toner level sensor /C malfunction
• An error occurs on the toner level sensor board (TLSB).
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change TLSB. 3 Change MFPB.
Code: 0F55
Display: TE SENSOR K
Description: Toner level sensor /K malfunction
• An error occurs on the toner level sensor board (TLSB).
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change TLSB. 3 Change MFPB.
Code: 13C0
Display: ENGINE H/W ERROR
Description: MFP board malfunction
• A communication error occurs in MFP board (MFPB).