C2650 (C4751i)

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ByEric Ditges
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Contents

Trouble typeC2650: Main backup media access error
RankC
Trouble detection conditionThe error was found when reading out the data.The re-written data, which has been read out, checked and founded as error, is read out again and found as error.The error was found when reading out the counter value.The main body detects that the backup board is not mounted.
Trouble isolation–
Relevant electrical partsBackup board (ERB)CPU board (CPUB)Base board (BASEB)

Procedure

  1. Check the connector between ERB CN1-BASEB CN20E for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Replace CPUB.
  4. Replace BASEB.
  5. Replace ERB.
  6. 1. Replace the current ERB with a new one.
  7. 2. Replace the following components with new ones.
  8. When the transfer belt unit, transfer roller and the fusing unit have been replaced with new ones, perform [Service Mode] -> [Counter] -> [Life] -> [New Release].
    • Imaging unit
    • Transfer belt unit
    • Fusing unit
    • Transfer roller
    • Feed roller, pick-up roller, separation roller (including options)
    • Separation pad
    • Toner filter
  9. 3. Turn ON the main power switch and check to see that warm-up is started.
  10. Make sure that trouble codes other than C2650 or improper IU/TC placement is not detected.
  11. 4. Make the specified readjustments.
  12. If the above actions do not solve the problem, contact KM.

(Link to the Field Service Manual)