Ricoh MP161L

• 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

• Code: 981
• Description: NVRAM error
  An error occurs during engine NVRAM check.
• Causes: • Defective NVRAM
  • Loose connection between the BICU and the NVRAM
  • Incorrect installation of the NVRAM
  • Defective BICU

• Code: 982
• Description: Localization error
  The localization information in the nonvolatile ROM and in the NVRAM is different (* SP5-807-001).
• Causes: • Localization setting not specified (The main power switch is turned on for the first time after the NVRAM is replaced.)
  • Incorrect localization setting
  • Defective NVRAM