• Code: U3-29
• Description: Mirror base home position error
  Home position is not detected when starting mirror base shift.
• Causes: Mirror unit defect Mirror home position sensor defect MCU PWB decfect Scanner wire disconnection

• Code: U9-00
• Description: Communication trouble between MCU and OPE (OPE detection)
  Communication setup error, framing, parity, protocol error
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U9-80
• Description: Operation control PWB communication trouble (Protocol)
  Communication trouble between MCU and the operation control PWB (Protocol error)
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U9-81
• Description: Operation control PWB communication trouble (Parity)
  Communication trouble between MCU and the operation control PWB (Parity error)
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U9-82
• Description: Operation control PWB communication trouble (Overrun)
  Communication trouble between MCU and the operation control PWB (Overrun error)
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U9-84
• Description: Operation control PWB communication trouble (Framing)
  Communication trouble between MCU and the operation control PWB (Framing error)
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U9-88
• Description: Operation control PWB communication trouble (Time-out)
  Communication trouble between MCU and the operation PWB (Time-out error)
• Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure

• Code: U95
• Description: Operation control PWB communication error
  Communication error between the operation control PWB and the MCU PWB (Detected by the OPE-PWB)
• Causes: Disconnection or reverse connection of the flat cable between the Operation control PWB and the MCU PWB. Operation control PWB trouble MCU PWB trouble Connector trouble of the operation control PWB and the MCU PWB