• Code: 633
• Description: Counter device error 2
  After 3 attempts to send a data frame to the optional counter device via the serial communication line, no ACK signal was received within 100 ms.
• Causes: • Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged • Make sure that SP5113 is set to enable the optional counter device.
• Remedy:

• Code: 634
• Description: Counter device error 3
  A backup RAM error was returned by the counter device.
• Causes: • Counter device control board defective • Backup battery of counter device defective
• Remedy:

• Code: 635
• Description: Counter device error 4
  A backup battery error was returned by the counter device.
• Causes: • Counter device control board defective • Backup battery of counter device defective
• Remedy:

• Code: 636
• Description: SD Card Error
• Causes:
• Remedy:

• Code: 641
• Description: BICU control data transfer abnormal
  A sampling of the control data sent from the BICU reveals an abnormality.
• Causes: • Controller board defective • External noise • BICU board defective
• Remedy: 1. Check the connection between the controller board and BCU. 2. Replace the controller board. 3. Replace the BCU.

• Code: 650
• Description: Communication error of the remote service modem (Cumin-M)
• Causes: -001 - Authentication error The authentication for the RCG-M fails at a dial up connection. • Incorrect SP settings • Disconnected telephone line • Disconnected modem board Disconnected Local Area Network card Check and set the correct user name (SP5816-156) and password (SP5816-157). -004 - Incorrect modem setting Dial up fails due to the incorrect modem setting. Same as -001 Check and set the correct AT command (SP5819-160). -005 - Communication line error The supplied voltage is not sufficient due to the defective communication line or defective connection. Same as -001 Consult with the user's local telephone company.
• Remedy:

• Code: 651
• Description: Incorrect dial up connection
  An unexpected error occurs when the modem (RCG-M) tries to call the center with a dial up connection.
• Causes: -001: Program parameter error -002: Program execution error • Caused by a software bug
• Remedy: No action required because this SC does not interfere with operation of the machine.

• Code: 669
• Description: EEPROM error
  Retry of EEPROM communication fails three times after the machine has detected the EEPROM error.
• Causes: • Caused by noise
• Remedy: Turn the main power switch off and on.