Konica Minolta bizhub C658 Service Manual page 1507

bizhub C658/C558/C458/C368/C308/C258
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check the back side scanning shading shaft for any stain, and clean up it as necessary.
2. Check that the bearing
3. Correct the harness connection between CIS and DSIPB if faulty.
4. Correct the harness connection between CIS J222-CISPU J2 if faulty.
5. Measure the voltage of CISPU J1-1.
• Control signal: CISPU J1-1 (DC12V)
• Location of electrical component: DF-704 5-B
6. Measure the voltage of CIS J222-1, J222-2 and J222-5.
• Control signal: CIS J222-1 (DC5V), CIS J222-2 (DC5V), CIS J222-5 (DC12V)
• Location of electrical component: DF-704 4-B
7. For any abnormality in the measurement result,
8. Replace CIS.
9. Replace CISPU.
10. Replace DSIPB.
11. Replace MFPB.
NOTICE
• Link to the wiring diagram (
3.21.3 C9403, C9404 (bizhub C658/C558/C458)
(1) Contents
Trouble type
Rank
Trouble detection condition
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Correct the harness connection between CIS J101-DSIPB CN2 if faulty.
2. Correct the harness connection between CIS J102-DFPU CN2 if faulty.
3. Replace CIS.
4. DFPU ICP1 conduction check.
5. Replace DFPU.
6. Replace DSIPB.
7. Replace MFPB.
3.22 CA###
3.22.1 CA051, CA052, CA053 (bizhub C658/C558/C458/C368/C308/C258)
(1) Contents
Trouble type
Rank
Trouble detection condition
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check to see if the following setting has been correctly made: [Service Mode] -> [System 2] -> [Image Controller Setting].
If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more.
2. Check the connectors of the MFPB for proper connection and correct as necessary.
3. Replace MFPB. (bizhub C368/C308/C258
Scanner
• CIS module (CIS)
• CIS power supply (CISPU)
• Dual scan image processing board (DSIPB)
• MFP board (MFPB)
• CIS cable
of the back side glass cleaning roller unit is on the standby position.
replace the CIS
N.4.2 DF-704)
• C9403: CIS LED lighting failure
• C9404: CIS LED lighting abnormally
B
• C9403: At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the
specified value.
• C9404: After a scan job is completed, the machine detected that the average output of the CIS LED is
greater than the specified value.
Scanner
• CIS module (CIS)
• DF power supply (DFPU)
• Dual scan image processing board (DSIPB)
• MFP board (MFPB)
• CA051: Standard controller configuration failure
• CA052: Controller hardware error
• CA053: Controller start failure
C
• CA051: The controller of the MFP board (MFPB) is faulty.
• CA052: A controller hardware error is detected in the network interface.
• CA053: A controller start failure is detected in the controller interface.
-
MFP board (MFPB)
/ bizhub C658/C558/C458)
K TROUBLESHOOTING > 3. TROUBLE CODE
cable.
K-179