C8101 (bizhub 558/458)

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Trouble typeC8101: Before reading pressure welding alienation mechanism
RankB
Trouble detection condition• During a pressure motion being performed, the document reading sensor (PS6) output does not change from H to L.
• During a retraction motion being performed, the document reading sensor (PS6) output does not change from L to H.
Trouble isolation–
Relevant electrical parts• Reading roll release motor (M4)
• Document reading sensor (PS6)
• DF control board (DFCB)

 Procedure

  1. Check the connector between M4-DFCB J18 for proper connection and correct as necessary.
  2. Check the connector of M4 for proper drive coupling and correct as necessary.
  3. Check the connector between PS6-DFCB J10 for proper connection and correct as necessary.
  4. PS6 I/O check, sensor check
    • Control signal: DFCB J10-3 (ON)
    • Location of electrical component: DF-704 2-G
  5. M4 operation check
    • Control signal: DFCB J18-4 to 5
    • Location of electrical component: DF-704 1-G
  6. Replace M4. (Part# A3CEPP5700)
  7. Replace DFCB. (Part# A85GPP0M00)

NOTICE

  • Link to the wiring diagram (DF-704)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.21.1 (Link to the Field Service Manual)