• Code: 3310
• Description: CIS AGC error In case a normal input could not be obtained from the CIS at AGC. (35/40 ppm model only)
• Remedy: CIS 1. Execute the U906 resetting the partial operation. 2. Execute [CIS] in the U061 lamp lighting check. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. DPCIS - DPSHD PWB (YC2) DPSHD PWB (YC3) - DPIF PWB (YC2) 4. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 5. Replace DPCIS and execute U091 and U411.
  DPSHD PWB Replace the DPSHD PWB.

• Code: 3500
• Description: Scanner and ASIC communication error 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 - Main PWB(YC2014): 30 ppm model - Engine PWB(YC5): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. If the LED is not lit, replace the scanner carriage and execute U411.
  Main PWB Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the main PWB. 3. Replace the engine PWB.

• Code: 3800
• Description: AFE error When writing the data, read and write data does not match 3 times in succession. In case no response is received from AFE for 100ms. (35/40 ppm model only)
• Remedy: Engine PWB 1. Check if the FFC connector is deformed and insert the FFC all the way. CCD PWB (YC1) - Engine PWB (YC5) 2. If the FFC is disconnected, replace it. 3. Replace the engine PWB and execute U411.
  CCD PWB Replace the ISU and execute U411.

• Code: 4001
• Description: Polygon motor startup error After the polygon motor starts, the motor stable signal is not turned ON after 30 s.
• Remedy: Polygon motor 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Polygon motor - Engine PWB(YC5): 30 ppm model - Engine PWB(YC10): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the LSU.
  Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the engine PWB.

• Code: 4011
• Description: Polygon motor steady-state error After the polygon motor stabilization, the motor stable signal is turned OFF for consecutive 15 s or more.
• Remedy: Polygon motor 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Polygon motor - Engine PWB 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the LSU.
  Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the engine PWB.

• Code: 4011
• Description: BD initialization error(K) In case the BD signal is not detected for 1s after starting the polygon motor drive.
• Remedy: Laser scanner unit (LSU) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU - Main PWB(YC2016): 30 ppm model - Engine PWB(YC8): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the LSU.
  Main PWB Engine PWB 1. Check the controller firmware and engine firmware, and upgrade to the latest version. 2. Replace the main PWB. 3. Replace the engine PWB.

• Code: 4102
• Description: BD initialization error(C) In case the BD signal is not detected for 1s after starting the polygon motor drive.
• Remedy: Laser scanner unit (LSU) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU - Main PWB(YC2016): 30 ppm model - Engine PWB(YC8): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the LSU.
  Main PWB Engine PWB 1. Check the controller firmware and engine firmware, and upgrade to the latest version. 2. Replace the main PWB. 3. Replace the engine PWB.

• Code: 4103
• Description: BD initialization error(M) In case the BD signal is not detected for 1s after starting the polygon motor drive.
• Remedy: Laser scanner unit (LSU) 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. LSU - Main PWB(YC2016): 30 ppm model - Engine PWB(YC8): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the LSU.
  Main PWB Engine PWB 1. Check the controller firmware and engine firmware, and upgrade to the latest version. 2. Replace the main PWB. 3. Replace the engine PWB.