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P-33 (bizhub 650i/550i/450i)

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Malfunction typeLD malfunction
Malfunction codeP-33
Malfunction detection timingThe DETOUT signal of the LD drive detected malfunction consecutively for the predetermined frequency.
Relevant parts-Laser diode/K (LD/K)
-Laser drive board (LDDB)
-PH unit
-Expansion control board (EXCB)
-Base board (BASEB)

Procedure

  1. Replace the PH unit.
    C650i (Part# AC74R70200)
    C450i (Part# AC76R70100)
  2. Replace EXCB. (Part# AC74H00501)
  3. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)

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