C7607 (bizhub C3320i)

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Contents

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-1st transfer pressure clutch (CL1)
-Bypass tray paper feed clutch (CL2)
-Tray 1 paper feed clutch (CL3)
-Registration clutch (CL4)
-ADU transport clutch (CL5)
-ADU forward rotation clutch (CL6)
-ADU reverse rotation clutch (CL7)
-Exit path switch solenoid (SD1)
-Base board (BASEB)

Procedure

  1. BASEB F4E conduction check
  2. Check the connector between CL1-relay CN13-BASEB CN18E for proper connection and correct as necessary.
  3. Check the connector between CL2-relay CN46-BASEB CN23E for proper connection and correct as necessary.
  4. Check the connector between CL3-relay CN44-BASEB CN22E for proper connection and correct as necessary.
  5. Check the connector between CL4-relay CN45-BASEB CN22E for proper connection and correct as necessary.
  6. Check the connector between CL5-relay CN47-BASEB CN23E for proper connection and correct as necessary.
  7. Check the connector between CL6-relay CN11-BASEB CN18E for proper connection and correct as necessary.
  8. Check the connector between CL7-relay CN39-BASEB CN18E for proper connection and correct as necessary.
  9. Check the connector between SD1-relay CN12-BASEB CN18E for proper connection and correct as necessary.
  10. CL1 conduction check
    • Control signal: BASEB CN18E-4 (ON)
    • Location of electrical component: 2-C
  11. CL2 conduction check
    • Control signal: BASEB CN23E-10 (ON)
    • Location of electrical component: 9-K
  12. CL3 conduction check
    • Control signal: BASEB CN22E<A>-1 (ON)
    • Location of electrical component: 12-C
  13. CL4 conduction check
    • Control signal: BASEB CN22E<A>-3 (ON)
    • Location of electrical component: 12-C
  14. CL5 conduction check
    • Control signal: BASEB CN23E-12 (ON)
    • Location of electrical component: 9-K
  15. CL6 conduction check
    • Control signal: BASEB CN18E-6 (ON)
    • Location of electrical component: 2-C
  16. CL7 conduction check
    • Control signal: BASEB CN18E-8 (ON)
    • Location of electrical component: 3-C
  17. SD1 conduction check
    • Control signal: BASEB CN18E-10 (ON)
    • Location of electrical component: 3-C
  18. Replace the main drive unit. (CL1) (Part# A7AHM20401)
  19. Replace CL2. (Part# A7AHM20401)
  20. Replace CL3. (Part# A7AHM20501)
  21. Replace CL4. (Part# A7AHM20501)
  22. Replace CL5. (Part# A7AHM20501)
  23. Replace CL6. (Part# A7AHM20501)
  24. Replace CL7. (Part# A7AHM20501)
  25. Replace SD1. (Part# AAJRR72100)
  26. Replace BASEB. (Part# A93EH02007)

L.3.12.19 (Link to the Field Service Manual)