• Code: 872
• Description: HDD mail data error
• Causes: • Defective HDD

• Code: 873
• Description: HDD mail transfer error
• Causes: • Power failure during an access to the HDD

• Code: 880
• Description: File format converter error
• Causes: • Defective file format converter

• Code: 900
• Description: Electric counter error
• Causes: • Defective NVRAM • Defective controller

• Code: 901
• Description: Mechanical total counter error 1
• Causes: • The counter is manually ejected. • Loose connection • Defective counter • Incorrect DIP-switch setting

• Code: 902
• Description: Mechanical total counter error 2
• Causes: • The counter is manually ejected. • Loose connection • Defective counter • Incorrect DIP-switch setting

• Code: 920
• Description: Printer application error
• Causes: • Defective software • Unexpected hardware resource (e.g., memory shortage)

• Code: 921
• Description: Printer font error
• Causes: • A necessary font is not found in the SD card. • The SD card data is corrupted.