• Code: 651-002
• Description: Incorrect dial up connection
  Program execution error
  Same as SC651-001.
• Causes: • Software bug.

• Code: 670
• Description: Engine startup error
  Just after the main power is turned on or the machine is recovering from auto off mode, the engine ready signal assertion fails. Just after the main power is turned on, the engine does not respond.
• Causes: • Poor connection between the BICU and controller board
  • Defective BICU
  • Defective controller board

• Code: 672
• Description: Controller-to-operation panel communication error at startup
  After powering on the machine, communication between the controller and operation panel does not begin, or the communication is interrupted after a normal startup.
• Causes: • Controller stalled
  • Controller board installed incorrectly
  • Defective controller board
  • Operation panel connector loose or defective
  • Poor connection of DIMM and optional boards on the controller board
  1. Check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it to "0 (ON)".

• Code: 760
• Description: ADF gate error 1
  The ADF sends the FGATE signal before it is requested to scan originals.
• Causes: • Defective ADF board
  • Defective input/output board
  • Loose connection

• Code: 761
• Description: ADF gate abnormal 2
  The ADF does not send the FGATE signal within 30 seconds after the ADF starts scanning.
• Causes: • Defective ADF connector
  • Defective SBU board

• Code: 762
• Description: ADF gate abnormal 3
  The ADF continues to send the FGATE signal for more than 60 seconds after the ADF starts scanning.
• Causes: • Defective ADF connector
  • Defective SBU board

• Code: 817
• Description: Monitor Error
  This is a file detection and electronic file signature check error when the boot loader attempts to read the selfdiagnostic module, system kernel, or root system files from the OS Flash ROM, or the items on the SD card in the controller slot are false or corrupted.
• Causes: • OS Flash ROM data defective; change the controller firmware
  • SD card data defective; use another SD card

• Code: 819
• Description: Kernel stop
  Due to a control error, a RAM overflow occurred during system processing.
• Causes: • System program defective
  • Controller board defective
  • Optional board defective