Error codes konica minolta

Code: C3732, C3736, C3737
Description:
• C3732: Fusing abnormally high temperature detection hard protector (Edge of the heating roller)
• C3736: Fusing abnormally high temperature detection hard protector (Middle of the heating roller)
C3737 • Fusing abnormally high temperature detection hard protector (Center of the heating roller) • Fusing unit for incorrect marketing area (The fusing unit for incorrect marketing area is installed)
• An abnormally high temperature is detected on the hard protector circuit (edge of the heating roller). • An abnormally high temperature is detected on the hard protector circuit (middle of the heating roller). • An abnormally high temperature is detected on the hard protector circuit (center of the heating roller).
Causes:
• Fusing unit • C3737: Heating roller thermistor/1 (TH1) • C3732: Heating roller temperature sensor/2 (TEMS2) • C3736: Heating roller temperature sensor/3 (TEMS3) • MFP board (MFPB)
Remedy:
1. Check the fusing unit for correct installation (whether it is secured in position). 2. Check the open/close operation of the upper right door. 3. Check the connector between the fusing unit-relay CN261-MFPB CN21E for proper connection and correct or change as necessary. 4. Check the connector between TEMS2, TEMS3-relay CN512-MFPB CN31E for proper connection and correct as necessary. 5. Replace the fusing unit. 6. Replace TEMS2, TEMS3. 7. Replace MFPB.