Epson SC-P400

• Code: F6H
• Description: DC error (PF)
  PF excess load error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), PF Motor failure, overload error (paper jam/foreign object), cable disconnection

• Code: F9H
• Description: DC error (CR)
  CR PID excess load error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), CR motor failure, overload error (paper jam/foreign object), cable disconnection

• Code: FAH
• Description: DC error (CR)
  CR PID excess speed error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), motor driver failure (Main board failure), tooth skip of the timing belt, improper tension of the timing belt

• Code: FBH
• Description: DC error (CR)
  CR PID reverse error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), tooth skip of the timing belt, improper tension of the timing belt, paper jam

• Code: FCH
• Description: DC error (CR)
  CR PID lock error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), CR motor failure, overload error (paper jam/foreign object), cable disconnection

• Code: FDH
• Description: DC error (CR)
  CR PID speed fall error
• Remedy: Encoder sensor failure (contaminated/ detached scale, encoder board failure), motor driver failure (Main board failure), tooth skip of the timing belt, improper tension of the timing belt, paper jam