C1125 (bizhub 950i/850i)

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Trouble typeC1125: Tray lift motor/Up drive malfunction (When FS-540+PI-507 or FS-540SD+PI-507 is installed)
RankB
Trouble detection conditionThe tray upper limit sensor/Up (PS204) or tray lower limit sensor/Up (PS205) is not turned ON (blocked) after the set period of time has elapsed after the tray lift motor/Up (M201) is energized.
Trouble isolationPost inserter
Relevant electrical parts– Tray lift motor/Up (M201)
– Tray upper limit sensor/Up (PS204)
– Tray lower limit sensor/Up (PS205)
– PI drive board (PIDB)
– FS control board (FSCB)

Procedure

  1. Check the connector between M201-relay CN203-PIDB CN54 for proper connection and correct as necessary.
  2. Check the connector of M201 for proper drive coupling and correct as necessary.
  3. Check the connector between PS204-relay CN235-PIDB CN55 for proper connection and correct as necessary.
  4. Check the connector between PS205-relay CN235-PIDB CN55 for proper connection and correct as necessary.
  5. PS204 I/O check, sensor check
    • Control signal: PIDB CN55-8 (ON)
    • Location of electrical component: PI-507 8-C
  6. PS205 I/O check, sensor check
    • Control signal: PIDB CN55-7 (ON)
    • Location of electrical component: PI-507 8-C
  7. M201 operation check
    • Control signal: PIDB CN54-7 to 8
    • Location of electrical component: PI-507 6 to 7-C
  8. Replace M201.
  9. Replace PIDB.
  10. Replace FSCB.

(Link to the Field Service Manual)