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d-Color MF4003/MF3303
L TROUBLESHOOTING > 3. TROUBLE CODE
L-52
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.
(CL1)
19.
20.
21.
22.
23.
24.
25.
26.
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
• Tray 2
• Tray 3
Relevant electrical parts
• PC control board (PCCB)
• Base board (BASEB)
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.
4.
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
• Clean unit drive board (CUDB)
• Base board (BASEB)
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.
4.
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
• Machine cooling fan (FM1)
• Toner suction fan (FM2)
Service Manual
Y119930-3
Summary of Contents for d-Color MF 4003
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