Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
Code: 6130
Description: Fuser thermistor 3 (press roller) break error Fuser thermistor 3 detects a temperature of -14 °C/6.8 °F . Fuser thermistor 3 does not reach 30° C/86 °F even after60 s during warming up.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser thermistor 3 and fuser PWB (YC4) Fuser unit and engine PWB (YC30) Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
Code: 6150
Description: Abnormally low fuser thermistor 3 (press roller) temperature The fuser temperature lower than 30 °C/86 °F is detected continuously for 1 s.
Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective fuser heater. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the engine PWB and check for correct operation.
Code: 6200
Description: Broken fuser edge heater wire Fuser thermistor 1 does not reach 50° C/122 °F even after20 s during warming up. The detected temperature of fuser thermistor1 does not reach the specified temperature (ready indication temperature) for 60 s in warming up after reaching 50° C/122 °F.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Fuser thermostat triggered. Broken fuser heater wire. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH coil unit and IHPWB IHPWB and engine PWB (YC30) Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Broken fuser heater wire. Fuser thermostat triggered. Reinsert the fuser unit. Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
Code: 6220
Description: Abnormally high fuser thermistor 1 (edge) temperature The fuser temperature exceeds 240 °C/464 °F for 1 s.
Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective cooling fan motor. Replace the fuser fan motor. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the engine PWB and check for correct operation.
Code: 6230
Description: Fuser thermistor 1 (edge) break error During warming up a hearter, fuser thermistor 2 detects a temperature of 100 °C/212 °F or higher and, fuser thermistor 1 detects a temperature of 37 °C/99 °F or lower.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser thermistor 1 and fuser PWB (YC3) Fuser unit and engine PWB (YC30) Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the engine PWB and check for correct operation.
Code: 6250
Description: Abnormally low fuser thermistor 1 (edge) temperature The fuser temperature lower than 80 °C/176 °F is detected continuously for 1 s during printing.
Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors. Defective fuser heater. Defective fuser thermistor. Replace the fuser unit. Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
Code: 6410
Description: Fuser unit type mismatch problem Absence of the fuser unit is detected
Causes: Fuser unit connector inserted incorrectly. Different type of the fuser unit is installed.
Remedy: Fuser unit connector inserted incorrectly. Reinsert the fuser unit connector if necessary. Different type of the fuser unit is installed. Install the correct fuser unit.
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