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C7607 (bizhub 650i/550i/450i)

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Trouble typeC7607: Power line A7 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-Registration clutch (CL4) (bizhub 550i/450i)
-Bypass tray paper feed clutch (CL7)
-Base board (BASEB)

Procedure

  1. BASEB F7E conduction check
  2. Check the connector between CL4-relay CN73-relay CN170-BASEB CN15E for proper connection and correct as necessary.
  3. Check the connector between CL7-relay CN20-relay CN13-BASEB CN26E for proper connection and correct as necessary.
  4. CL4 conduction check.
    • Control signal: BASEB CN15E-2 (ON)
    • Location of electrical component: 3-C
  5. CL7 conduction check.
    • Control signal: BASEB CN26EA-12 (ON)
    • Location of electrical component: 10-K
  6. Replace CL4. (bizhub 550i/450i Part# A02EM20000)
  7. Replace CL7. (bizhub 550i/450i Part# A02EM20100)
  8. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)

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