• Code: C180
• Description: LCF tray-up motor abnormality: The LCF trayup motor is not rotating or the LCF tray is not moving normally. (the case that paper can be fed from any drawer except the LCF)
• Remedy: Does the tray move? (Perform the output check: 03-271) ↓→ NO → 1) Check if the connector of the LCF tray-up motor is disconnected. 2) Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. 3) Check if the connector CN344 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 6) Replace the LCF tray-up motor. 7) Replace the LCF board. 8) Replace the LGC board. YES Are the LCF tray-up sensor and LCF tray bottom sensor working? (Perform the input check: 03-[FAX]OFF/[5]/[F], /[3]/[A]) ↓→ NO → 1) Check if the connectors of the sensors are disconnected. 2) Check if any of the connectors CN100, CN104 and CN105 on the LCF board is disconnected. 3) Check if the connector CN344 on the LGC board is disconnected. 4) Check if the slit reaches the sensors. 5) Check if the connector pins are disconnected or the harnesses are open circuited. 6) Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 7) Replace the sensor. 8) Replace the LCF board. 9) Replace the LGC board. YES 1) Check if the conductor pattern on the LGC board is short circuited or open circuited. 2) Replace the LGC board.

• Code: C1A0
• Description: LCF end fence motor abnormality: The LCF end fence motor is not rotating or the LCF end fence is not moving normally. (the case that paper can be fed from any drawer except the LCF)
• Remedy: Is the LCF end fence motor working? (Perform the output check: 03-207) ↓→ NO → 1) Check if the connector of the LCF end fence motor is disconnected. 2) Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. 3) Check if the connector CN344 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 6) Replace the LCF end fence motor. 7) Replace the LCF board. 8) Replace the LGC board. YES Are the LCF end fence home/stop position sensors working? (Perform the input check: 03-[FAX]OFF/[5]/[A], /[5]/[B]) ↓→ NO → 1) Check if the connectors of the sensors are disconnected. 2) Check if either of the connectors CN100 or CN107 on the LCF board is disconnected. 3) Check if the connector CN344 on the LGC board is disconnected. 4) Check if the slit reaches the sensors. 5) Check if the connector pins are disconnected or the harnesses are open circuited. 6) Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 7) Replace the sensors. 8) Replace the LCF board. 9) Replace the LGC board. YES 1) Check if the conductor pattern on the LGC board is short circuited or open circuited. 2) Replace the LGC board.

• Code: C1B0
• Description: LCF transport motor abnormality: The LCF transport motor is not rotating normally (when paper can be fed from any drawer except the LCF).
• 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 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: 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: (1) 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 time.
  (2) Downloading firmware with an incorrect model. If the error occurs, the exposure lamp lights twice at the same time.
• Remedy: 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: 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: Charger cleaner motor is not rotating or wire cleaner is not moving normally
• 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 detection 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
• Description: Thermistor or heater lamp abnormality at power-ON: Abnormality of 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 power voltage (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.