OKI MPS4200mb

• Code: 251
• Display: Inspection is required.
  251 : Error
• Description: SD card erasure error
• Remedy:

• Code: 802 ... 808
• Display: PRESS POWER SW FOR 5SEC
  Error : 802
  Error : 803
  Error : 805
  Error : 807
  Error : 808
• Description: SU Exception
• Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the SU board

• Code: 811, 812, 813
• Display: PRESS POWER SW FOR 5SEC
  Error : 811
  Error : 812
  Error : 813
• Description: SU Communication Error
  Communication error between the Controller and the Scanner Unit is detected.
• Remedy: Communication error between the Controller and the Scanner Unit is detected. Turn off and on the MFP.

• Code: 814
• Display: PRESS POWER SW FOR 5SEC
  Error : 814
• Description: SU FW Removed
  It is an error to notify that SU FW was erased by special key operation from a panel.
• Remedy: It is an error to notify that SU FW was erased by special key operation from a panel.

• Code: 890
• Display: PRESS POWER SW FOR 5SEC
  Error : 890
• Description: SU System Memory Overflow
• Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the SU board

• Code: 899
• Display: Power OFF/ON
  Error : 899
• Description: CU Disconnect
• Remedy:
  In the situation that communication between CU and SU was able to establish, SU FW detected that CU FW had disappeared from a communications path (an USB line).