• Code: F000
• Description: Main PWB - Operation panel PWB communication error
• Causes: Defective main PWB. Defective operation panel PWB.
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective operation panel PWB. Replace the operation panel PWB.

• Code: F010
• Description: Main PWB checksum error
• Causes: Defective main PWB.
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.

• Code: F020
• Description: Main memory or expanded memory checksum error
• Causes: Defective main memory (RAM) on the main PWB. Defective expansion memory module.
• Remedy: Defective main memory (RAM) on the main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective expansion memory module. Replace the expansion memory module.

• Code: F030
• Description: Main PWB general failure
• Causes: Defective main PWB.
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.

• Code: F040
• Description: Main PWB - Engine PWB communication error
• Causes: Defective harness between engine PWB (YC31) and main PWB (YC6), or improper connector insertion. Defective main PWB. Defective engine PWB.
• Remedy: Defective harness between engine PWB (YC31) and main PWB (YC6), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective engine PWB. Replace engine PWB.

• Code: F050
• Description: Engine PWB ROM checksum error
• Causes: Some error may have occurred when downloading the firmware of the engine PWB. Defective engine PWB.
• Remedy: Some error may have occurred when downloading the firmware of the engine PWB. Download the firmware of the engine PWB again using the memory card.
  Defective engine PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace engine PWB.

• Code: F226
• Description: Main PWB video data control error
• Causes: Defective main PWB.
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.