• Code: 835
• Description: Self-diagnostic error: Centronic device
• Causes: [1102] Loopback connector is connected but check results in an error. • IEEE1284 connector error • Centronic loopback connector defective Replace the controller board. [110C] Loopback connector is connected but check results in an error. • ASIC device error • IEEE1284 connector error • Centronic loopback connector defective Replace the controller board. [1120] Centronic loopback connector is not connected for detailed self-diagnostic test. • Centronic loopback connector not connected correctly • Centronic loopback connector defective • ASIC device defective Replace the controller board.

• Code: 838
• Description: Self-diagnostic Error: Clock Generator
• Causes: [2701] A verify error occurred when setting data was read from the clock generator via the I2C bus. • Defective clock generator • Defective I2C bus • Defective I2C port on the CPU Replace the controller board.

• Code: 839
• Description: USB NAND Flash ROM error
  EEPROM error 1: EEPROM access
• Causes: [9001] USB NAND Flash ROM cannot be read. • Defective controller board [9101] The ID of the USB NAND Flash ROM cannot be read. • Defective controller board [9110] The USB NAND Flash ROM controller is disconnected. • Defective controller board

• Code: 840
• Description: During the I/O processing, a reading error occurred. The 3rd reading failure causes this SC code. During the I/O processing, a writing error occurred
• Causes: Defective EEPROM

• Code: 841
• Description: EEPROM error 2: EEPROM read/write error
  Mirrored data of the EEPROM is different from the original data in EEPROM.
• Causes: Data in the EEPROM is overwritten for some reason.

• Code: 842
• Description: Flash ROM verification error
  Verification error of the flash ROM on the controller board occurs
  This SC is logged at 1st error detection.SC819 is issued at 2nd error detection.
  SC819 is issued at 2nd error detection
• Causes: Defective flash ROM (controller board)

• Code: 851
• Description: IEEE 1394 I/F error
  Driver setting incorrect and cannot be used by the 1394 I/F.
• Causes: Not supported by this machine • NIB (PHY), LINK module defective; change the Interface Board Controller board defective

• Code: 853
• Description: Wireless LAN Error 1
  During machine start-up, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (Bluetooth).
• Causes: • During machine operation, the Wireless LAN device (Bluetooth) is inserted into the controller board.