C6105 (bizhub C650i/C550i/C450i)

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Trouble typeC6105: Back side cleaning home sensor abnormality (normal)
RankB
Trouble detection condition-The CIS cleaning sensor (PS9) does not change from H to L even after the lapse of a given period of time after the home position detecting operation is started at the initial operation.
-The CIS cleaning sensor (PS9) does not change from L to H even after the lapse of a given period of time after the home position detecting operation is started at the initial operation.
Trouble isolationScanner
Relevant electrical parts-CIS cleaning sensor (PS9)
-CIS cleaning motor (M7)
-DF control board (DFCB)

Procedure

  1. Check if the opening and closing guide is firmly closed.
  2. Check the connector between M7-relay CN61-DFCB CN14 for proper connection and correct as necessary.
  3. Check the connector of M7 for proper drive coupling and correct as necessary.
  4. Check the connector between PS9-relay CN121-DFCB CN18 for proper connection and correct as necessary.
  5. PS9 I/O check, sensor check
    • Control signal: DFCB CN18-6 (ON)
    • Location of electrical component: DF 4-C
  6. M7 load check
    • Check code: 60
    • Multi code: 65, 66, 67
    • Control signal: DFCB CN14-6 to 9
    • Location of electrical component: DF 7-C
  7. Replace M7. (Part# AAMPM10300)
  8. DFCB ICP4, ICP7, ICP15 conduction check
  9. Replace DFCB. (Part# AAMPH00105)

L.3.13.4 (Link to the Field Service Manual)