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C0208 (bizhub 950i/850i)

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Trouble typeC0208: Tray 4 feeder up/down abnormality
RankB
Trouble detection conditionThe tray 4 upper limit sensor (PS27) is not turned ON (blocked) even after the set period of time has elapsed after the paper lift-up operation for the drawer began.
Trouble isolationTray 4
Relevant electrical parts– Tray 4 upper limit sensor (PS27)
– Tray 4 lift-up motor (M24)
– Paper feed/transport drive board (PFTDB)
– CPU board (CPUB)
– Base board (BASEB)

Procedure

  1. Remove the tray and check to see if a piece of paper is not left inside the machine.
  2. Check the connector between M24-PFTDB CN15 for proper connection and correct as necessary.
  3. Check the connector of M24 for proper drive coupling and correct as necessary.
  4. Check the connector between PS27-relay CN194-relay CN121B-PFTDB CN19 for proper connection and correct as necessary.
  5. Check CPUB for proper installation and correct as necessary.
  6. PS27 I/O check, sensor check
    • Control signal: PFTDB CN19-6 (ON)
    • Location of electrical component: 8-X
  7. M24 load check
    • Check code: 23
    • Multi code: 7
    • Control signal: PFTDB CN15-1 to 2
    • Location of electrical component: 9-X
  8. Replace M24.
  9. PFTDB F23 conduction check.
  10. Replace PFTDB.
  11. Replace CPUB.
  12. Replace BASEB.

(Link to the Field Service Manual)

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