• Code: 3100
• Description: Scanner carriage error When turning the power on, or when the reading of the original document by table or DP scanning has completed, the home position sensor is not turned off, even if the home position sensor is on and the scanner carriage moves to the scanning direction. Or, the home position sensor does not turn on, even if the home position sensor is in off and the scanner carriage move to the return direction.
• Remedy: Image scanner motor 1. Move the scanner by hand to check whether it smoothly moves, and if necessary, remedy it. 2. Check that the scanner drive belt is not disengaged, and if necessary, remedy it. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Image scanner motor and Main/Engine PWB (YC17) 4. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 5. Replace the image scanner motor.
  Home position sensor 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Home position sensor and CCD PWB (YC3) CCD PWB (YC1) and Main/Engine PWB (YC2014) 3. Replace the home position sensor.
  CCD PWB Replace the scanner carriage and execute the U411.
  Main/Engine PWB Replace the Main/Engine PWB.

• Code: 3200
• Description: LED lamp error The white standard data obtained when the lamp is turned on at the time of an initialization is lower than the rated value.
• Remedy: LED PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LED PWB and CCD PWB (YC2) CCD PWB (YC1) and Main/Engine PWB (YC2014)
  Mirror Replace the image scanner unit and execute U411, if the mirror is dropped off by drop shock.
  CCD PWB Replace the scanner carriage and execute the U411.
  Main/Engine PWB Replace the Main/Engine PWB.

• Code: 3500
• Description: Communication error between scanner ASIC (MFP model only) A communication error is detected. (Read back values are different.)
• Remedy: CCD PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. CCD PWB (YC1) and Main/Engine PWB (YC2014) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the scanner carriage and execute the U411.
  Main/Engine PWB 1. Upgrade the scanner firmware to the latest version. 2. Replace the Main/Engine PWB.

• Code: 4001
• Description: Polygon motor (Black, Magenta) startup error After the polygon motor starting, the motor stable signal is not turned ON after 6 s.
• Remedy: Polygon motor (Black, Magenta) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU and Main/Engine PBW (YC2016) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the LSU.
  Main/Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the Main/Engine PWB.

• Code: 4002
• Description: Polygon motor (Cyan, Yellow) startup error After the polygon motor starting, the motor stable signal is not turned ON after 6 s.
• Remedy: Polygon motor (Cyan, Yellow) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU and Main/Engine PBW (YC2017) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the LSU.
  Main/Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the Main/Engine PWB.

• Code: 4011
• Description: Polygon motor (Black, Magenta) steady error After the polygon motor stabilization, the motor stable signal is turned OFF for consecutive 6 s.
• Remedy: Polygon motor (Black, Magenta) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU and Main/Engine PBW (YC2016) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the LSU.
  Main/Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the Main/Engine PWB.

• Code: 4012
• Description: Polygon motor (Cyan, Yellow) steady error After the polygon motor stabilization, the motor stable signal is turned OFF for consecutive 6 s.
• Remedy: Polygon motor (Cyan, Yellow) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU and Main/Engine PBW (YC2017) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the LSU.
  Main/Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the Main/Engine PWB.

• Code: 4101
• Description: Laser BD (Black) error The laser can not be received for 1 s, after the Black laser emission starts.
• Remedy: LSU (Black,Magenta) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU and Main/Engine PBW (YC2016) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Replace the LSU.
  Main/Engine PWB 1. Check both main and engine firmware, and upgrade to the latest version, if necessary. 2. Replace the Main/Engine PWB.