CD313 (bizhub C4050i/C3350i)

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Contents

Trouble typeCD313: TPM key data error
RankC
Trouble detection conditionA fault occurs in the TPM key data.
Trouble isolation–
Relevant electrical parts–

Procedure

The image above is related to Step 2 below.
  1. Touch [Recover Data] displayed at the lower right portion on the trouble screen.
  2. A screen confirming whether to recover data appears.
  3. Select [Yes].
  4. The screen will be shifted to the data restoration screen to perform data restoration. NOTE
    • When the restoration is performed in a short time, data restoration screen may not be displayed.
  6. Check the message which indicates that the data restoration was successfully conducted. Turn OFF the main power switch and turn it ON again more than 10 seconds after. NOTE
    • In case it failed to restore data, return to the trouble code screen.
  7. Replace the current TPMB with a new one.TPMB (Part# AA2JH02T00)
  8. Replace the current CPUB with a new one.CPUB (Part# A93EH01004)
  9. Replace the current BASEB with a new one.BASEB (Part# A93EH02007)

NOTE

  • Nonvolatile data backup will be automatically performed every hour. Backup can also be performed manually with the following setting. [Service Mode] -> [Enhanced Security] -> [Memory Data Backup]

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

L.3.17.18. (Link to the Field Service Manual)