• Code: 694
• Description: Scanner board communication error
  • BICU does not get a signal from the scanner board for 1.5 seconds or more.
  • BICU gets a break-signal after completing the communication with the scanner board and does not get a signal from the scanner board for 10 seconds or more.
• Causes: • Defective communication between BICU and scanner board

• 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: 901
• Description: Mechanical total counter error
  The polling module does not detect the mechanical total counter.
• Causes: • Defective mechanical total counter
  • Defective BICU
  • Loose connection

• Code: 903
• Description: Engine total counter error
  The checksum of the total counter is not correct.
• Causes: • Defective NVRAM on the BICU

• Code: 928
• Description: Memory error
  An error occurs during the memory check conducted when the main power switch is turned on or when the copier is recovering from the energy saver mode.
• Causes: • Defective memory
  • Defective BICU
  • Loose connection between the BICU and the memory

• Code: 929
• Description: IMAC hardware error
  A memory control job is not completed within a certain period.
• Causes: • Defective IMAC
  • Defective BICU
  • Loose connection