C760C (bizhub C650i/C550i/C450i)

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Trouble typeC760C: Power line A12 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-Total counter (TCT) (Japan models only)
-Key counter (KCT)
-Base board (BASEB)

Procedure

  1. BASEB F13E conduction check
  2. Check the connector between TCT-relay CN117-BASEB CN13E for proper connection and correct as necessary. (Japan models only)
  3. Check the connector between KCT-relay CN119-BASEB CN3E for proper connection and correct as necessary.
  4. Replace the key counter. (Contact Konica Minolta technical support if this needs to be replaced.)
  5. Replace BASEB. (Part# AA7NH02102)

L.3.14.47 (Link to the Field Service Manual)