Konica Minolta bizhub C658 Service Manual page 1497

bizhub C658/C558/C458/C368/C308/C258
3.18.5 C6104, C6105 (bizhub C368/C308/C258)
(1) Contents
Trouble type
Rank
Trouble detection condition C6104:
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check if the opening and closing guide is firmly closed.
2. Check the connector between M5-DFCB J9 for proper connection and correct as necessary.
3. Check the connector of M5 for proper drive coupling and correct as necessary.
4. Check the connector between PS7-DFCB J13 for proper connection and correct as necessary.
5. PS7 I/O check, sensor check
• Control signal: DFCB J13-3 (ON)
• Location of electrical component: DF-704 1-G
6. M5 operation check
• Control signal: DFCB J9-1 to 4
• Location of electrical component: DF-704 6-G
7. Replace M5.
8. Replace DFCB.
NOTICE
• Link to the wiring diagram (
3.18.6 C6104, C6105 (bizhub C658/C558/C458)
(1) Contents
Trouble type
Rank
Trouble detection condition C6104:
Trouble isolation
Relevant electrical parts
(2) Procedure
1. Check the connector between M7-DFCB CN14 for proper connection and correct as necessary.
2. Check the connector of M7 for proper drive coupling and correct as necessary.
3. Check the connector between PS9-relay CN121-DFCB CN18 for proper connection and correct as necessary.
4. PS9 I/O check, sensor check
• Control signal: DFCB CN18-6 (ON)
• Location of electrical component: 3 to 4-C
5. M7 operation check
• Control signal: DFCB CN14-6 to 9
• Location of electrical component: 6-C
6. Replace M7.
7. DFCB ICP4 or ICP8 conduction check.
8. Replace DFCB.
NOTICE
• Link to the wiring diagram (
3.18.7 C6704 (bizhub C658/C558/C458/C368/C308/C258)
(1) Contents
Trouble type
Rank
• C6104: Back side cleaning home sensor abnormality (initial) (When DF-704 is installed)
• C6105: Back side cleaning home sensor abnormality (normal) (When DF-704 is installed)
B
• The CIS cleaning sensor (PS7) does not change from H to L even after the lapse of a given period of time
after the home position detecting operation is started at the initial operation.
• The CIS cleaning sensor (PS7) does not change from L to H even after the lapse of a given period of time
after the home position detecting operation is started at the initial operation.
C6105: At the time of operation other than the initial operation, the CIS cleaning sensor (PS7) error is detected.
Scanner
• CIS cleaning sensor (PS7)
• CIS cleaning motor (M5)
• DF control board (DFCB)
N.4.2 DF-704)
• C6104: Back side cleaning home sensor abnormality (initial)
• C6105: Back side cleaning home sensor abnormality (normal)
B
• The back side cleaning home sensor (PS9) does not change from H to L even after the lapse of a given
period of time after the home position detecting operation is started at the initial operation.
• The back side cleaning home sensor (PS9) does not change from H to L even after the lapse of a given
period of time after the home position detecting operation is started at the initial operation.
C6105: At the time of operation other than the initial operation, the back side cleaning home sensor (PS9) error
is detected.
Scanner
• Back side cleaning home sensor (PS9)
• Back side cleaning motor (M7)
• DF control board (DFCB)
N.3 Dual scan document feeder)
C6704: Image input time out
C
K TROUBLESHOOTING > 3. TROUBLE CODE
K-169