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C7631 (bizhub C650i/C550i/C450i)

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Trouble typeC7631: Supply power line 1 error
RankC
Trouble detection conditionAll of the fuse detection units of the same supply power line (24V11) detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-DC power supply (DCPU)
-Expansion control board (EXCB)
-Base board (BASEB)

Procedure

  1. BASEB F11E, F12E, F13E, F14E, F15E, F17E conduction check
  2. Check the connector between DCPU CN6-BASEB CN14E for proper connection and correct as necessary.
  3. Check the connector between BASEB CN11E-EXCB CN1EX for proper connection and correct as necessary.
  4. Replace BASEB. (Part# AA7NH02102)
  5. Replace EXCB. (Part# AA2JH00500)
  6. Replace DCPU. (bizhub C650i/C550i Part# AA7NR71600 / bizhub C450i Part# AA7RR70200)

L.3.14.54 (Link to the Field Service Manual)

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