• Code: 144-2
• Description: SBU serial communication error
  Poor SBU power supply caused by SIO, or BCU detection board defective.
• Causes: • Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective

• Code: 144-3
• Description: SBU GASBU reset error
  SBU defective, BCU detection circuit defective.
• Causes: • Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective

• Code: 144-4
• Description: SBU version error
  SBU defective, BCU detection circuit defective.
• Causes: • Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective

• Code: 161
• Description: IPU Error
  The self-diagnostic test detected an error at the IPU at power on, or after the machine returned from energy save mode.
• Causes: • Harness between SBU and IPU loose or broken • IPU defective • SBU defective

• Code: 165
• Description: Copy Data Security Unit error
  An error occurred when the machine attempted to recognize the Copy Data Security Unit board.
• Causes: • Check installation of Copy Data Security (CDS) Unit • CDS unit not correct type for the machine • CDS unit defective

• Code: 202
• Description: Polygon motor error 1: ON timeout
  The polygon mirror motor did not reach the targeted operating speed within 10 sec. after turning on or changing speed
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective

• Code: 203
• Description: Polygon motor error 1: OFF timeout
  The polygon mirror motor did not leave READY status within 3 sec. after polygon motor switched off.
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective

• Code: 204
• Description: Polygon motor error 1: XSCRDY signal error
  The XSCRDY signal remained HIGH for 200 ms while the LD unit was firing.
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective