• Code: C443
• Description: IH abnormality after abnormality judgment (not reaching to intermediate temperature)
• Causes: Thermopiles Fuser unit IH coil IH board LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4530: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Thermopiles • Check if the fuser belt center and side thermopiles (front, rear) are installed properly. • Check if the harnesses of the fuser belt center and side thermopiles (front, rear) are open circuited. Fuser unit • Unit check • Connector check • Harness check IH coil • Connector check • Harness check IH board • Connector check • Harness check LGC board • Connector check (CN305, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the current status counter value (08-2002) “3”, “5”, “6”, “9”, “19”, “21”, “22”, “23”, “24”, “25”, “27” or “29” to “0” for [C44X], taking the same procedure as that for [C41X]) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state. The status counter value is as follows in the following cases. • The error occurred during warming-up: “3”, “5” or “6” • The error occurred after the equipment has become ready: “7” • The temperature detected by the fuser belt center thermopile is 230?C or higher, the temperature detected by the side thermopile is 230?C or higher or the temperature detected by the edge thermopile is 230?C or higher: “9”, “19”, “21”, “22”, “23”, “25”, “27” or “29”. • The error occurred during printing: “24” or “25” • The error occurred during energy saving: “27” • A paper jam occurred: “29”

• Code: C445
• Description: IH abnormality after abnormality judgment (pre-running end temperature abnormality)
• Causes: Thermopiles Fuser unit IH coil IH board LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4530: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Thermopiles • Check if the fuser belt center and side thermopiles (front, rear) are installed properly. • Check if the harnesses of the fuser belt center and side thermopiles (front, rear) are open circuited. Fuser unit • Unit check • Connector check • Harness check IH coil • Connector check • Harness check IH board • Connector check • Harness check LGC board • Connector check (CN305, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the current status counter value (08-2002) “3”, “5”, “6”, “9”, “19”, “21”, “22”, “23”, “24”, “25”, “27” or “29” to “0” for [C44X], taking the same procedure as that for [C41X]) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state. The status counter value is as follows in the following cases. • The error occurred during warming-up: “3”, “5” or “6” • The error occurred after the equipment has become ready: “7” • The temperature detected by the fuser belt center thermopile is 230?C or higher, the temperature detected by the side thermopile is 230?C or higher or the temperature detected by the edge thermopile is 230?C or higher: “9”, “19”, “21”, “22”, “23”, “25”, “27” or “29”. • The error occurred during printing: “24” or “25” • The error occurred during energy saving: “27” • A paper jam occurred: “29”

• Code: C446
• Description: IH abnormality after abnormality judgment (pre-running end temperature abnormality)
• Causes: Thermopiles Fuser unit IH coil IH board LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4530: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Thermopiles • Check if the fuser belt center and side thermopiles (front, rear) are installed properly. • Check if the harnesses of the fuser belt center and side thermopiles (front, rear) are open circuited. Fuser unit • Unit check • Connector check • Harness check IH coil • Connector check • Harness check IH board • Connector check • Harness check LGC board • Connector check (CN305, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the current status counter value (08-2002) “3”, “5”, “6”, “9”, “19”, “21”, “22”, “23”, “24”, “25”, “27” or “29” to “0” for [C44X], taking the same procedure as that for [C41X]) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state. The status counter value is as follows in the following cases. • The error occurred during warming-up: “3”, “5” or “6” • The error occurred after the equipment has become ready: “7” • The temperature detected by the fuser belt center thermopile is 230?C or higher, the temperature detected by the side thermopile is 230?C or higher or the temperature detected by the edge thermopile is 230?C or higher: “9”, “19”, “21”, “22”, “23”, “25”, “27” or “29”. • The error occurred during printing: “24” or “25” • The error occurred during energy saving: “27” • A paper jam occurred: “29”

• Code: C447
• Description: IH abnormality after abnormality judgment (temperature abnormality at ready status)
• Causes: Thermopiles Fuser unit IH coil IH board LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4530: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Thermopiles • Check if the fuser belt center and side thermopiles (front, rear) are installed properly. • Check if the harnesses of the fuser belt center and side thermopiles (front, rear) are open circuited. Fuser unit • Unit check • Connector check • Harness check IH coil • Connector check • Harness check IH board • Connector check • Harness check LGC board • Connector check (CN305, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the current status counter value (08-2002) “3”, “5”, “6”, “9”, “19”, “21”, “22”, “23”, “24”, “25”, “27” or “29” to “0” for [C44X], taking the same procedure as that for [C41X]) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state. The status counter value is as follows in the following cases. • The error occurred during warming-up: “3”, “5” or “6” • The error occurred after the equipment has become ready: “7” • The temperature detected by the fuser belt center thermopile is 230?C or higher, the temperature detected by the side thermopile is 230?C or higher or the temperature detected by the edge thermopile is 230?C or higher: “9”, “19”, “21”, “22”, “23”, “25”, “27” or “29”. • The error occurred during printing: “24” or “25” • The error occurred during energy saving: “27” • A paper jam occurred: “29”

• Code: C448
• Description: IH continuous lighting abnormality: IH lights continuously for a certain period of time when the pressure roller temperature during ready status is higher than the specified
• Causes: Thermopiles Fuser unit Power supply LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) • Check the power supply unit. • Connector check (CN403, CN409) Thermopiles • Check if foreign matter or paper in the fuser unit is plugging up the monitoring opening of the fuser belt thermopile. • Check if the opening of the fuser belt thermopile of the equipment is plugged up. Fuser unit • Unit check • Connector check • Harness check LGC board • Connector check (CN305) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the displayed current status counter value “32” to “0”, then press [ENTER] or [INTERRUPT] (to cancel C448). 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.

• Code: C449
• Description: IH abnormality after abnormality judgment (high temperature abnormality)
• Causes: Thermopiles Fuser unit IH coil IH board LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4530: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Thermopiles • Check if the fuser belt center and side thermopiles (front, rear) are installed properly. • Check if the harnesses of the fuser belt center and side thermopiles (front, rear) are open circuited. Fuser unit • Unit check • Connector check • Harness check IH coil • Connector check • Harness check IH board • Connector check • Harness check LGC board • Connector check (CN305, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Change the current status counter value (08-2002) “3”, “5”, “6”, “9”, “19”, “21”, “22”, “23”, “24”, “25”, “27” or “29” to “0” for [C44X], taking the same procedure as that for [C41X]) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state. The status counter value is as follows in the following cases. • The error occurred during warming-up: “3”, “5” or “6” • The error occurred after the equipment has become ready: “7” • The temperature detected by the fuser belt center thermopile is 230?C or higher, the temperature detected by the side thermopile is 230?C or higher or the temperature detected by the edge thermopile is 230?C or higher: “9”, “19”, “21”, “22”, “23”, “25”, “27” or “29”. • The error occurred during printing: “24” or “25” • The error occurred during energy saving: “27” • A paper jam occurred: “29”

• Code: C461
• Description: Pressure roller heater 40°C detection (Not determined)
• Causes: Pressure roller thermistor Fuser unit Power supply LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) • Connector check (CN403, CN409) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4531: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Pressure roller thermistor • Sensor check • Install check • Is the pressure roller rear thermistor contacted with the pressure roller surface securely? Fuser unit • Unit check • Connector check • Harness check LGC board • Connector check (CN301, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Reset the status counter values “61”, “70”, “71” or “62” to “0”. Then press [ENTER] on the touch panel or the [INTERRUPT] button on the control panel. (The error C461, C462 or C464 is released.) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.

• Code: C462
• Description: Pressure roller heater 40°C detection (Determined)
• Causes: Pressure roller thermistor Fuser unit Power supply LGC board
• Remedy: Power supply • Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) • Connector check (CN403, CN409) Error detection history Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check next. • 08-4531: Fuser belt center thermopile temperature • 08-4532: Fuser belt edge thermistor temperature • 08-4533: Pressure roller center thermistor temperature • 08-4545: Pressure roller rear thermistor temperature Pressure roller thermistor • Sensor check • Install check • Is the pressure roller rear thermistor contacted with the pressure roller surface securely? Fuser unit • Unit check • Connector check • Harness check LGC board • Connector check (CN301, CN306) • Harness check Status counter 1. [0], [8] Power ON. 2. Key in “2002”, then press [START]. 3. Reset the status counter values “61”, “70”, “71” or “62” to “0”. Then press [ENTER] on the touch panel or the [INTERRUPT] button on the control panel. (The error C461, C462 or C464 is released.) 4. Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.