• Code: C463
• Description: Pressure roller thermistor and edge thermistor temperature difference
• Remedy: 1. Check if any paper is clinging to the pressure roller. 2. Check if there is any foreign matter between the pressure roller thermistor (center/side) and the pressure roller. Remove it if any. 3. Replace the pressure roller center thermistor (center/side)

• Code: C464
• Description: Pressure roller thermistor temperature difference
• Remedy: 1.Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) 2.Check the error detection history (1) Check the error detection history of each temperature detecting element when the error occurred. If any of the elements detects an abnormal temperature, check step 3. 08-1902: Fuser belt center thermopile temperature 08-1903: Fuser belt side thermopile temperature 08-1904: Fuser belt edge thermistor temperature 08-1905: Pressure roller center thermistor temperature 08-4545: Pressure roller rear thermistor temperature 3.Check the pressure roller thermistor. (1) Check if the connector is disconnected. (2) Is the pressure roller center thermistor installed properly? (3) Is the pressure roller rear thermistor contacted with the pressure roller surface securely? (4) Is any of the harnesses for the pressure roller center thermistor and the pressure roller rear thermistor open circuited? 4. Check the switching regulator and fuser unit (1) Is the fuser unit installed correctly? (2) Is a harness for the heater lamp open circuited? (Is power supplied to the heater lamp?) (3) Is the connector of the heater lamp disconnected? (4) Check if the thermostat is blown. (5) Is the connector of the switching regulator disconnected? (Check the AC output connector CN409 of the switching regulator and the I/F connector CN403 of the LGC board.) (6) Is the switching regulator damaged? • Replace the switching regulator. 5. Check the LGC board (1) Are the connectors CN301 and CN306 disconnected?. (2) Is the conductor pattern on the board short circuited or open circuited? (3) Replace the LGC board.

• Code: C465
• Description: Pressure roller thermistor abnormality after entering ready status (pre-running end temperature abnormality)
• Remedy: 1. Check the pressure roller thermistor (1) Check if the connector is disconnected. (2) Check if the pressure roller center thermistor is installed properly. (3) Check if the pressure roller rear thermistor is in contact with the surface of the pressure roller properly. (4) Check if the harnesses of the pressure roller center and rear thermistors are open circuited. 2. Check the power supply unit and fuser unit (1) Check if the fuser unit is installed properly. (2) Check if the heater lamp is open circuited. (Check if the heater lamp has electric continuity.) (3) Check if the connector of the heater lamp is disconnected. (4) Check if the thermistor is open circuited. (5) Check if the connectors of the power supply (power supply AC output connector CN409, LGCI/F connector CN403) are disconnected. (6) Check if the power supply unit is broken. * Replace the power supply unit if it is broken. 3. Check the LGC board (1) Check if the connector CN333/CN345 is disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 4. Clear the status counter Change the current status counter value (08-400) “5”, “6”, “8”, “18”, “20”, “26”, “28”, “33” or “34” to “0” * The status counter value is set as follows in the following cases. • The error occurred during warming-up: “5” or “6” • The error occurred after the equipment has become ready: “33” • Regardless of the equipment’s status (i.e. during warming-up or in ready status), when the temperature detected by the pressure roller thermistor is 210°C or higher: “8”, “18”, “20”, “26” or “28”. • The error occurred during printing: “34”

• Code: C466
• Description: Pressure roller thermistor abnormality after entering ready status (pre-running end temperature abnormality)
• Remedy: 1. Check the pressure roller thermistor (1) Check if the connector is disconnected. (2) Check if the pressure roller center thermistor is installed properly. (3) Check if the pressure roller rear thermistor is in contact with the surface of the pressure roller properly. (4) Check if the harnesses of the pressure roller center and rear thermistors are open circuited. 2. Check the power supply unit and fuser unit (1) Check if the fuser unit is installed properly. (2) Check if the heater lamp is open circuited. (Check if the heater lamp has electric continuity.) (3) Check if the connector of the heater lamp is disconnected. (4) Check if the thermistor is open circuited. (5) Check if the connectors of the power supply (power supply AC output connector CN409, LGCI/F connector CN403) are disconnected. (6) Check if the power supply unit is broken. * Replace the power supply unit if it is broken. 3. Check the LGC board (1) Check if the connector CN333/CN345 is disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 4. Clear the status counter Change the current status counter value (08-400) “5”, “6”, “8”, “18”, “20”, “26”, “28”, “33” or “34” to “0” * The status counter value is set as follows in the following cases. • The error occurred during warming-up: “5” or “6” • The error occurred after the equipment has become ready: “33” • Regardless of the equipment’s status (i.e. during warming-up or in ready status), when the temperature detected by the pressure roller thermistor is 210°C or higher: “8”, “18”, “20”, “26” or “28”. • The error occurred during printing: “34”

• Code: C467
• Description: Pressure roller thermistor abnormality after entering ready status (temperature abnormality at ready status)
• Remedy: 1. Check the pressure roller thermistor (1) Check if the connector is disconnected. (2) Check if the pressure roller center thermistor is installed properly. (3) Check if the pressure roller rear thermistor is in contact with the surface of the pressure roller properly. (4) Check if the harnesses of the pressure roller center and rear thermistors are open circuited. 2. Check the power supply unit and fuser unit (1) Check if the fuser unit is installed properly. (2) Check if the heater lamp is open circuited. (Check if the heater lamp has electric continuity.) (3) Check if the connector of the heater lamp is disconnected. (4) Check if the thermistor is open circuited. (5) Check if the connectors of the power supply (power supply AC output connector CN409, LGCI/F connector CN403) are disconnected. (6) Check if the power supply unit is broken. * Replace the power supply unit if it is broken. 3. Check the LGC board (1) Check if the connector CN333/CN345 is disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 4. Clear the status counter Change the current status counter value (08-400) “5”, “6”, “8”, “18”, “20”, “26”, “28”, “33” or “34” to “0” * The status counter value is set as follows in the following cases. • The error occurred during warming-up: “5” or “6” • The error occurred after the equipment has become ready: “33” • Regardless of the equipment’s status (i.e. during warming-up or in ready status), when the temperature detected by the pressure roller thermistor is 210°C or higher: “8”, “18”, “20”, “26” or “28”. • The error occurred during printing: “34”

• Code: C468
• Description: Pressure roller thermistor abnormality after entering ready status (overheating)
• Remedy: 1. Check the pressure roller thermistor (1) Check if the connector is disconnected. (2) Check if the pressure roller center thermistor is installed properly. (3) Check if the pressure roller rear thermistor is in contact with the surface of the pressure roller properly. (4) Check if the harnesses of the pressure roller center and rear thermistors are open circuited. 2. Check the power supply unit and fuser unit (1) Check if the fuser unit is installed properly. (2) Check if the heater lamp is open circuited. (Check if the heater lamp has electric continuity.) (3) Check if the connector of the heater lamp is disconnected. (4) Check if the thermistor is open circuited. (5) Check if the connectors of the power supply (power supply AC output connector CN409, LGCI/F connector CN403) are disconnected. (6) Check if the power supply unit is broken. * Replace the power supply unit if it is broken. 3. Check the LGC board (1) Check if the connector CN333/CN345 is disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 4. Clear the status counter Change the current status counter value (08-400) “5”, “6”, “8”, “18”, “20”, “26”, “28”, “33” or “34” to “0” * The status counter value is set as follows in the following cases. • The error occurred during warming-up: “5” or “6” • The error occurred after the equipment has become ready: “33” • Regardless of the equipment’s status (i.e. during warming-up or in ready status), when the temperature detected by the pressure roller thermistor is 210°C or higher: “8”, “18”, “20”, “26” or “28”. • The error occurred during printing: “34”

• Code: C471
• Description: IH board initialization abnormality
• Remedy: 1. Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ?10% of the rated voltage?) 2. Check the thermostat (1) Check if the thermostat is blown. 3. Check the IH board (1) Check if the connectors of the power supply unit are disconnected (power supply unit AC output connector and LGC I/F connector CN404). (2) Check if the fuse on the IH board has blown. (3) Replace the IH board. 4. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 5. Clear the status counter Change the current status counter value "1" or "2" to "0", then press [ENTER] or [INTERRUPT].

• Code: C472
• Description: Power supply abnormality
• Remedy: 1. Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ?10% of the rated voltage?) 2. Check the thermostat (1) Check if the thermostat is blown. 3. Check the IH board (1) Check if the connectors of the power supply unit are disconnected (power supply unit AC output connector and LGC I/F connector CN404). (2) Check if the fuse on the IH board has blown. (3) Replace the IH board. 4. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 5. Clear the status counter Change the current status counter value "1" or "2" to "0", then press [ENTER] or [INTERRUPT].