Description: Broken fuser heater wire Fuser thermistor 2 does not reach 80° C/176 °F even after20 s during warming up. The detected temperature of fuser thermistor2 does not reach the specified temperature (ready indication temperature) for 200 s in warming up after reached to 80° C/176 °F.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective IH PWB. Fuser thermostat triggered. Broken fuser heater wire. Defective engine 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 (YC7) 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 IH PWB. Replace the IH PWB and check for correct operation. Fuser thermostat triggered. Broken fuser heater wire. Reinsert the fuser unit. Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: 6020
Description: Abnormally high fuser thermistor 2 (center) temperature The fuser thermistor 2 detects a temperature higher than 240°C/464°F 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. Shorted fuser thermistor. Replace the fuser unit. Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: 6030
Description: Fuser thermistor 2 (center) break error A/D value of the fuser thermistor 2 exceeds 1010 bit continuously for 1 s during warming up.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective engine 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 thermister2 and fuser PWB (YC2) Fuser unit and engine PWB (YC22) 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 engine PWB. Replace the engine PWB and check for correct operation.
Code: 6040
Description: NC sensor error When a sensor detected the temperature higher than 150 °C/302 °F continuously for 5 seconds.
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. Shorted fuser thermistor. Replace the fuser unit. Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: 6050
Description: Abnormally low fuser thermistor 2 (center) temperature The fuser temperature lower than 100 °C/212 °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 thermistor. Defective fuser heater. Replace the fuser unit Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: 6120
Description: Abnormally high fuser thermistor 3 (press roller) temperature The fuser temperature exceeds 200 °C/392 °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 IH PWB. Replace the IH PWB and check for correct operation. Defective fuser thermistor. Replace the fuser unit. Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: 6130
Description: Fuser thermistor 3 (press roller) break error Fuser thermistor 3 does not reach 30° C/86 °F even after60 s during warming up. The detected temperature of fuser thermistor3 does not reach the specified temperature (ready indication temperature) for 200 s in warming up after reached to 30° C/86 °F.
Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective IH PWB. Defective fuser thermistor. Defective engine 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 (YC22) 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 IH PWB. Replace the IH PWB and check for correct operation. Defective fuser thermistor. Replace the fuser unit. Defective engine PWB. Replace 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 thermistor. Defective fuser heater. Replace the fuser unit. Defective engine PWB. Replace the engine PWB and check for correct operation.
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