• Code: C1B0
• Description: LCF transport motor abnormality: The LCF transport motor is not rotating normally.
• Remedy: Is the LCF transport motor working? (Perform the output check in the test mode: 03-122/172) NO 1. Check if the connector CN1 of the LCF transport motor is disconnected. 2. Check if the connector CN102 on the LCF board is disconnected. 3. Check if the signal line connector CN100 on the LCF board is disconnected. 4. Check if the power line connector CN101 on the LCF board is disconnected. 5. Check if the connector CN303 on the LGC board is disconnected. 6. Check if the connector pins are disconnected and the harnesses are opencircuited. 7. Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are short- or open-circuited. 8. Replace the LCF transport motor. 9. Replace the LCF board. 10. Replace the LGC board. YES 1. Check if the connector pins are disconnected and the harnesses are open-circuited. 2. Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are short- or open-circuited. 3. Check if the PLL lock signal CN102-3 output from the LCF board is always “L” level. 4. Check if the voltage supplied to the microcomputer input terminal IC103-17 is always “L” level. 5. Replace the LCF transport motor. 6. Replace the LCF board. 7. Replace the LGC board.

• Code: C260
• Description: Peak detection error: Lighting of the exposure lamp (white reference) is not detected when power is turned ON.
• Remedy: Does the exposure lamp light? (Perform the output check in the test mode: 03-267) YES 1. Check if the connectors on the CCD and SLG boards are disconnected. 2. Check if the shading correction plate is dirty. 3. Check if the conductor pattern on the CCD board is short- or open-circuited. 4. Check if the conductor pattern on the SLG board is short- or open-circuited. 5. Replace the lens unit. 6. Replace the SLG board. NO 1. Check if the connectors of the exposure lamp and inverter are disconnected. 2. Check the SLG board if the connector pin CN9 is disconnected and the harness is short- or open-circuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SLG board. 5. Replace the inverter. 6. Replace the exposure lamp.

• Code: C270
• Description: Carriage home position sensor not turning OFF within a specified period of time: The carriage does not shift from its home position in a specified period of time.
• Remedy: Are the carriages slightly moved to the feeding direction? Are the carriages staying at a position other than home position? YES 1. Check if the connector of the scan motor is disconnected. 2. Check if the connector pin is disconnected and the harness is short-or opencircuited. 3. Replace the SLG board. NO 1. Check if the connector pin is disconnected and the harness is short- or open-circuited. 2. Check if the conductor pattern on the SLG board is short- or open-circuited. 3. Replace the SLG board.

• Code: C280
• Description: Carriage home position sensor not turning ON within a specified period of time: The carriage does not reach to its home position in a specified period of time.
• Remedy: Do the carriages make a big noise after they arrive at the home position? YES The carriage home position sensor is not turned ON. 1. Check if the connector of the sensor is disconnected. 2. Replace the carriage home position sensor. 3. Replace the SLG board. NO The carriages are stopped at the home position and do not move. 1. Check if the connector pins are disconnected and the harnesses are short- or open-circuited. 2. Check if the conductor pattern on the SLG board is short- or open-circuited. 3. Replace the SLG board.

• Code: C410
• Description: Thermistor or heater abnormality at power-ON: Abnormality of service call the thermistor is detected when power is turned ON or the temperature of the fuser roller does not rise in a specified period of time after power is turned ON.
• Remedy: 1. Check the thermistors (1) Check if the connectors are disconnected. (2) Check if the main and edge thermistors are in contact with the surface of the fuser roller properly? (3) Check if the harnesses of the main and edge thermistors are open-circuited. 2. Check the IH board and IH coil (1) Check if the IH coil is broken. (2) Check if the connector of the IH coil is disconnected. (3) Check if the thermostat is blown. (4) Check if the connectors on the IH board are disconnected (AC input connector and LGC I/F connector CN455/456). (5) Check if the IH board or the switching power supply unit are abnormal. • Replace the IH board. 3. Check the LGC board (1) Check if the connectors CN316 are disconnected. (2) Check if the conductor pattern on the LGC board is short- or open-circuited. (3) Replace the LGC board. 4. Clear the status counter After repairing the matter which caused the error [C410], perform the following: (1) Turn ON the power while [0] and [8] are pressed simultaneously. (2) Key in “400” with the digital keys, then press [START]. (3) Change the current status counter value “1” or “2” to “0”, then press [ENTER] or [INTERRUPT] (to cancel [C410]). (4) Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.

• Code: C440
• Description: Heater abnormality after abnormality judgment: The temperature of the fuser roller has exceeded the range of control (in this case, the main switch turns OFF automatically) or does not even reach the range.
• Remedy: 1,2.3. Check the thermistors, IH board, IH coil and LGC board Check the above components following the procedures 1, 2 and 3 for [C410]. 4. Clear the status counter Change the current status counter value (08-400) “5”, “7” or “9” to “0” for [C440], taking the same procedure as that for [C410]. * The status counter value is as follows in the following cases. Change them to "0" respectively. • The error occurred during warming-up: "5" • The error occurred after the equipment has become ready: "7" • The temperature detected by the main thermistor is 230°C or higher: "9" • The temperature detected by the edge thermistor is 280°C or higher: "9"

• Code: C450
• Description: Thermistor abnormality during printing: Abnormality of the thermistor is detected during printing.
• Remedy: 1. Check the edge thermistor (1) Check if the connector is disconnected. (2) Check if the edge thermistor is in contact with the surface of the fuser roller properly. (3) Check if the harness of the edge thermistor is open-circuited. 2. Check the LGC board (1) Check if the connector CN302 is disconnected. (2) Check if the conductor pattern on the board is short- or open-circuited. (3) Replace the LGC board. 3. Clear the status counter Change the current status counter value (08-400) “6” to “0”.

• Code: C470
• Description: IH initialization or IH power voltage abnormality: The AC input is not applied to the IH control circuit normally, or the input voltage is too high/low.
• Remedy: 1. Check the AC input voltage Check if the AC input voltage is within the specified range. (especially when the heater becomes ON after the power is turned ON (the equipment is warming up)) 2. Check the thermostat Check if the thermostat is blown. 3. Check the IH board (1) Check if the AC input connector on the IH board or the LGC I/F connector CN455/456 is disconnected? (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 connector CN316 is disconnected. (2) Check if the conductor pattern on the board is short- or open-circuited. (3) Replace the LGC board. 5. Clear the status counter Change the values “10”, “11”, “14” or “17” of the status counter (08-400) to “0”. * The status counter value is as follows in the following cases. Change them to "0" respectively. • The error occurred immediately after the power was turned ON: "10" • The error occurred before the temperature of the fuser roller reaches 40°C: "11" • The error occurred before the equipment has become ready: "14" • The error occurred when the equipment is in the ready state or during printing: "17"