• Code: 641
• Description: Controller to engine communication error.
  The controller receives no response from the engine board.
• Causes: • Defective controller • Defective engine board
• Remedy: 1. Check the connection between the controller and the engine board. 2. Replace the engine board if the error is frequent. 3. Replace the controller board if the error is frequent.

• Code: 652
• Description: Remote Service ID2 Mismatch Error 1
  ID2 for the device did not match the ID2 stored in NVRAM. This error can occur if the controller has been replaced with the Cumin ID2 set for another machine, or if the NVRAM has been replaced with the NVRAM from another machine.
• Causes: • If this error occurs when Cumin is set up, check the Cumin documentation and make sure that the NVRAM is compatible, set the common authentication, then try again. • If this error occurs after Cumin has been set, clear the Cumin setting, check the Cumin documentation and make sure that the NVRAM is compatible, set the common authentication, then try again.
• Remedy:

• Code: 653
• Description: Remote Service ID2 Mismatch Error 2
  One of the following problems exist with the ID2 stored in NVRAM: • ID2 has less than 17 digits • A non-printable character exists in ID2 • ID2 is all spaces • ID2 is NULL
• Causes: 1. Replace NVRAM. 2. Clear the Cumin setting, set the common authentication, then try again.
• Remedy: 1. Replace NVRAM. 2. Clear the Cumin setting, set the common authentication, then try again.

• Code: 669
• Description: EEPROM Error
  An unexpected value exists in the initialization flag of the EEPROM.
• Causes: EEPROM not initialized. Defective EEPROM.
• Remedy: 1. Initialize the EEPROM. 2. Replace the EEPROM. 3. Replace the EGB.

• Code: 670
• Description: Engine startup error
  The EGB fails to respond within the prescribed time when the machine is turned on.
• Causes: • Connections between EGB and controller board are loose, disconnected, or damaged • EGB defective • Controller board defective
• Remedy:

• Code: 671
• Description: Engine board mismatch error
  Engine board and controller mismatch detected.
• Causes: • Wrong engine board installed • Wrong controller board installed
• Remedy: 1. Check the type of EGB and controller board. 2. Replace the EGB. 3. Replace the controller board.

• Code: 690
• Description: GAVD Communication Error
  The ID of the GAVD is not identified during initialization.
• Causes: Defective EGB
• Remedy: 1. Replace the EGB.

• Code: 816
• Description: Energy save I/O subsystem error
  An error was detected in the signal from the ASIC (controller board) which controls the STR (Suspend to RAM) function. Note: STR is a feature of this machine that minimizes energy consumption while the machine is in the energy saver mode.
• Causes: -5 SCS • Reboot the machine. • Replace the controller board. -39 Sub System Error occurred during system start up. -50 Hardware Printer version only. Not used for this machine. -67 NCS (Network Control Service) An error occurred in the access control port list: • Number of registrations exceeded 125 • Data notifications exceeded 12 • Data extension incorrect -79 Sub System Message mismatch. -90 Hardware/System A forced system reset (WDOG) occurred.
• Remedy: