Konica Minolta bizhub C658 Service Manual page 1502

bizhub C658/C558/C458/C368/C308/C258
4. PS4 I/O check, sensor check
• Control signal: DFCB J10-3 (ON)
• Location of electrical component: DF-629 2-G
5. M5 operation check
• Control signal: DFCB J18-4 to 5
• Location of electrical component: DF-629 2-G
6. Replace M5.
7. Replace DFCB.
NOTICE
• Link to the wiring diagram (
(b) When DF-704 is installed
1. Check the connector between M4-DFCB J18 for proper connection and correct as necessary.
2. Check the connector of M4 for proper drive coupling and correct as necessary.
3. Check the connector between PS6-DFCB J10 for proper connection and correct as necessary.
4. PS6 I/O check, sensor check
• Control signal: DFCB J10-3 (ON)
• Location of electrical component: DF-704 2-G
5. M4 operation check
• Control signal: DFCB J18-4 to 5
• Location of electrical component: DF-704 1-G
6. Replace M4.
7. Replace DFCB.
NOTICE
• Link to the wiring diagram (
3.19.2 C8107 (bizhub C368/C308/C258)
(1) Contents
Trouble type
Rank
Trouble detection condition <When DF-629 is installed>
Trouble isolation
Relevant electrical parts
(2) Procedure
(a) When DF-629 is installed
1. Check the connector between M4-DFCB J8 for proper connection and correct as necessary.
2. Check the connector of M4 for proper drive coupling and correct as necessary.
3. Check the connector between PS12-DFCB J15 for proper connection and correct as necessary.
4. PS12 I/O check, sensor check
• Control signal: DFCB J15-5 (ON)
• Location of electrical component: DF-629 3-G
5. M4 operation check
• Control signal: DFCB J8-1 to 4
• Location of electrical component: DF-629 1 to 2-B
6. Replace M4.
7. Replace DFCB.
NOTICE
• Link to the wiring diagram (
(b) When DF-704 is installed
1. Check the connector between M6-DFCB J8 for proper connection and correct as necessary.
2. Check the connector of M6 for proper drive coupling and correct as necessary.
3. Check the connector between PS13-DFCB J15 for proper connection and correct as necessary.
4. PS13 I/O check, sensor check
• Control signal: DFCB J15-5 (ON)
• Location of electrical component: DF-704 3-G
5. M6 operation check
• Control signal: DFCB J8-1 to 4
• Location of electrical component: DF-704 1-B
6. Replace M6.
N.4.1 DF-629)
N.4.2 DF-704)
C8107: Glass cleaning mechanism trouble (When DF-629 or DF-704 is installed)
B
The document reading glass cleaning sensor (PS12) is not turned ON after the set period of time has elapsed
after the glass cleaning motor (M4) is turned ON.
<When DF-704 is installed>
The document reading glass cleaning sensor (PS13) is not turned ON after the set period of time has elapsed
after the document reading glass cleaning motor (M6) is turned ON.
-
<When DF-629 is installed>
• Glass cleaning motor (M4)
• Document reading glass cleaning sensor (PS12)
• DF control board (DFCB)
<When DF-704 is installed>
• Document reading glass cleaning motor (M6)
• Document reading glass cleaning sensor (PS13)
• DF control board (DFCB)
N.4.1 DF-629)
K TROUBLESHOOTING > 3. TROUBLE CODE
K-174