CD392 (bizhub 950i/850i)

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Contents

Trouble typeCD392: Nonvolatile data save error (EEPROM)
RankC
Trouble detection conditionThe backup board (ERB) is replaced with a new one.
Trouble isolation–
Relevant electrical partsBackup board (ERB)

Procedure

  1. Replace the following components with new ones.
    Configure [New Release] in Service Mode before replacing the image transfer belt unit and the fusing unit. When the transfer roller has been replaced with a new one, perform [Counter clear].
    • Developing unit/K
    • Drum unit/K
    • Toner cartridge/K
    • Transfer belt unit
    • Fusing unit
    • Transfer roller
    • Feed roller, pick-up roller, separation roller (including options)
  2. Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
  3. Set the various setting values in the service mode again.
  4. If the above actions do not solve the problem, contact KM.

(Link to the Field Service Manual)