• Code: SC600
• Description: Communication error between main control and operation panel boards - Definition - [B] The main CPU cannot communicate with the operation panel CPU properly.
• Causes: • Poor connection between main control board and operation panel board • Main board defective • Operation panel defective

• Code: SC601
• Description: Communication error between main control and scanner control boards - Definition - [B] The main CPU cannot communicate with the scanner control CPU properly.
• Causes: • Poor connection between main control board and scanner control board (optical fiber cable) • Optical fiber cable defective • Main control board defective • Scanner control board defective • DC power supply board defective (no dc 5V input to scanner control board)

• Code: SC602
• Description: Communication error between main control and transfer belt motor drive boards - Definition - [B] The main CPU does not receive the response signal from the transfer belt drive board after 3 tries.
• Causes: • Poor connection between main control board and transfer belt drive board • Main control board defective • Transfer belt drive board defective

• Code: SC603
• Description: Communication error within main control board - Definition - [B] The CPUs on the main control board cannot communicate properly with each other.
• Causes: • Main control board defective

• Code: SC604
• Description: Serial signal error in main control board - Definition - [B] Writing and reading serial signals for the DRAM produces discrepancies.
• Causes: • Main control board defective

• Code: SC605
• Description: Communication error between main control and IPU boards - Definition - [B] The main CPU cannot communicate with the IPU CPU properly.
• Causes: • Poor connection between main control board and IPU board • Main control board defective • IPU board defective

• Code: SC622
• Description: Communication error between main control board and display editor I/F board - Definition - [C] The main CPU cannot start communication with the editor I/F properly.
• Causes: • Poor connection between main control board and the display editor I/F board • Main control board defective • Display editor I/F board defective

• Code: SC623
• Description: Communication error between main control board and projector unit - Definition - [B] The main CPU cannot start communication with the projector unit
• Causes: • Poor connection between main control board and projector unit • Main control board defective • Option interface board defective • Projector control board defective