Olivetti d-Color MF4003 Service Manual page 450

d-Color MF4003/MF3303
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.
19. Replace CL2.
20. Replace CL3.
21. Replace CL4.
22. Replace CL5.
23. Replace CL6.
24. Replace CL7.
25. Replace SD1.
26. Replace BASEB.
3.13.20 C760A
Contents
Trouble type C760A: Power line A10 error
Rank C
Trouble detection condition The fuse detection unit detected an error for a predetermined time.
Trouble isolation
Relevant electrical parts
Procedure
1. BASEB F8E conduction check
2. Check the connector between PCCB CN1-relay CN24-BASEB CN21E for proper connection and correct as necessary.
3. Replace PCCB.
4. Replace BASEB.
3.13.21 C760F
Contents
Trouble type C760F: Power line A15 error
Rank C
Trouble detection condition The fuse detection unit detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Procedure
1. BASEB F11E conduction check
2. Check the connector between CUDB CN1-relay CN35-BASEB CN25E for proper connection and correct as necessary.
3. Replace CUDB.
4. Replace BASEB.
3.13.22 C7613
Contents
Trouble type C7613: Power line A19 error
Rank C
Trouble detection condition The fuse detection unit detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Service Manual
(CL1)
• Tray 2
• Tray 3
• PC control board (PCCB)
• Base board (BASEB)
• Clean unit drive board (CUDB)
• Base board (BASEB)
• Machine cooling fan (FM1)
• Toner suction fan (FM2)
L TROUBLESHOOTING > 3. TROUBLE CODE
L-52
Y119930-3