Konica Minolta bizhub C658 Service Manual page 1493

bizhub C658/C558/C458/C368/C308/C258
Relevant electrical parts
(2) Procedure
1. Check the connector between FM12-relay CN146-MFPB CN15E for proper connection and correct as necessary.
2. Check the fan for possible overload and correct as necessary.
3. FM12 operation check
• Control signal: MFPB CN15E<A>-16 (REM), MFPB CN15E<A>-18 (LOCK)
• Location of electrical component: C658/C558 16-C, C458 20-C
4. Replace FM12.
5. Replace MFPB.
NOTICE
• Link to the wiring diagram (
3.17.7 C5360 (bizhub C658/C558/C458)
(1) Contents
Trouble type
Rank
Trouble detection condition The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check the connector between CUDB CN1-MFPB CN29E for proper connection and correct as necessary.
2. Check the connector between FM14-relay CN200-CUDB CN2 for proper connection and correct as necessary.
3. Check the connector between FM15-relay CN201-CUDB CN3 for proper connection and correct as necessary.
4. Check the fan for possible overload and correct as necessary.
5. FM14 operation check
• Load check: Check code42, Multi code 9
• Control signal: CUDB CN2-1 (REM), CUDB CN2-3 (LOCK)
• Location of electrical component: 15-K
6. FM15 operation check
• Load check: Check code42, Multi code 9
• Control signal: CUDB CN3-1 (REM), CUDB CN3-3 (LOCK)
• Location of electrical component: 15-K
7. Replace the defective fan.
8. Replace CUDB.
9. MFPB F3E conduction check
10. Replace MFPB.
NOTICE
• Link to the wiring diagram (
3.17.8 C5361 (bizhub C658/C558/C458)
(1) Contents
Trouble type
Rank
Trouble detection condition The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check the connector between FM17-relay CN801-relay CN823-EXCB CN9 for proper connection and correct as necessary.
2. Check the connector between FM18-relay CN802-relay CN823-EXCB CN9 for proper connection and correct as necessary.
3. Check the fan for possible overload and correct as necessary.
4. FM17 operation check
• Control signal: MFPB CN9-4 (LOCK), MFPB CN9-6 (REM)
• Location of electrical component: 25-P
5. FM18 operation check
• Control signal: MFPB CN9-7 (LOCK), MFPB CN9-8 (REM)
• Location of electrical component: 24-P
6. Replace FM17.
7. Replace FM18.
8. Replace MFPB.
NOTICE
• Link to the wiring diagram (
• Fusing power supply cooling fan (FM12)
• MFP board (MFPB)
N.2 bizhub C658/C558/C458)
C5360: Clean unit fan's failure to turn (When CU-102 is installed)
B
-
• Exhaust fan1 (FM14)
• Exhaust fan2 (FM15)
• Clean unit drive board (CUDB)
• MFP board (MFPB)
(FM14 / FM15)
N.2 bizhub C658/C558/C458)
C5361: UFP exhaust fan's failure to turn
C
-
• UFP exhaust fan1 (FM17)
• UFP exhaust fan2 (FM18) (bizhub C658/C558 only)
• Expansion control board (EXCB)
• MFP board (MFPB)
N.2 bizhub C658/C558/C458)
K TROUBLESHOOTING > 3. TROUBLE CODE
K-165