• Code: C1B0
• Description: LCF transport motor abnormality
• Remedy: Is the LCF transport motor working? (Perform the output check: 03-122/172) ↓→ NO → 1) Check if the connector CN112 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 CN344 on the LGC board is disconnected. 6) Check if the connector pins are disconnected or the harnesses are open circuited. 7) Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are short circuited 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 or the harnesses are open circuited. 2) Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are short circuited or open circuited. 3) Check if the PLL lock signal CN102-3 pin output from the LCF board is always “L” level. 4) Check if the voltage supplied to the microcomputer input terminal IC103-17 pin is always “L” level. 5) Replace the LCF transport motor. 6) Replace the LCF board. 7) Replace the LGC board.

• Code: C260
• Description: Peak detion error
• Remedy: Does the exposure lamp light? (Perform the output check: 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 circuited or open circuited. 4) Check if the conductor pattern on the SLG board is short circuited 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 CN21 is disconnected or the harness is short circuited or open circuited. 3) Check if the conductor pattern on the SLG board is short circuited 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 going OFF within a specified time
• Remedy: Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and check the following items.
  Are the carriages slightly moved to the feeding direction?/Are the carriages staying at a position other than home position? → YES → Check if the circuits of the SLG board are abnormal. NO 1) Check if the connector pin is disconnected or the harness is short circuited or open circuited. 2) Check if the conductor pattern on the SLG board is short circuited or open circuited. 3) Replace the SLG board.

• Code: C280
• Description: Carriage home position sensor not going ON within a specified time
• Remedy: Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and check the following items.
  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) Check if the circuits of the SLG board are abnormal. NO The carriages are stopped at the home position and do not move. 1) Check if the connector pins are disconnected or the harnesses are short circuited or open circuited. 2) Check if the conductor pattern on the SLG board is short circuited or open circuited. 3) Replace the SLG board.

• Code: C360
• Description: Charger cleaner motor abnormality
• Remedy: (1) Check if the main charger is installed normally. (2) Check if the charger wire is broken. (3) Check if any of the connector pins of the charger cleaner front/rear position detion switch is disconnected. (4) Check if the cleaning pads are damaged or removed. (5) Check if any of the connector pins of the charger cleaner motor is disconnected. (6) Replace the charger cleaner motor. (7) Replace the LGC board.

• Code: C411, C412
• Description: Thermistor/heater abnormality at power-ON
• Remedy: (1) Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?) 2.Check the thermistors (1) Check if the connectors are disconnected. (2) Check if the center and side thermistors (front, rear) are in contact with the surface of the fuser roller properly? (3) Check if the harnesses of the center and side thermistors (front, rear) are open circuited. 3. Check the heater (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 control board are disconnected (AC input connector and LGC I/F connectors CN455). (5) Check if the IH control board is abnormal. • Replace the IH control board. 4. Check the LGC board (1) Check if the connectors CN334 are disconnected. (2) Check if the conductor pattern on the LGC board is short circuited or open circuited. (3) Replace the LGC board. 5. Clear the status counter After repairing the matter which caused the error [C411/C412], perform the following: (1) Turn ON the power while [0] and [8] are pressed simultaneously. (2) Key in "400", then press [START]. (3) Change the current status counter value "1" or "2" to "0", then press [ENTER] or [INTERRUPT] (to cancel [C411/C412]). (4) Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.

• Code: C443 ... C449
• Description: Heater abnormality after abnormality judgment
• Remedy: Check the above components following the procedures 1, 2 and 3 for [C411/C412]. 4. Clear the status counter Change the current status counter value (08-400) "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]. • 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 deted by the center thermistor is 240°C or higher, the temperature deted by the side thermistor is 250°C or higher or the temperature deted by the edge thermistor is 270°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: "26" or "27" - A paper jam occurred: "28" or "29"

• Code: C471, C472, C475
• Description: IH power voltage abnormality or IH initial abnormality
• 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 copier is warming up)) 2. Check the thermostat Check if the thermostat is blown. 3. Check the IH control board (1) Check if the AC input connector on the IH control board, the LGC I/F connectors CN455 is disconnected? (2) Check if the fuse on the IH control board has blown. (3) Replace the IH control board. 4. Check the LGC board (1) Check if the connector CN334 are 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", "12" of the status counter (08-400) to "0".