Konica Minolta Magicolor 8650 Service Manual page 759

8. Trouble code
(2) Stapler/crease clock sensor (Stapler Section)
Staple/folding motor clock sensor (PS14)
Staple/folding motor (M7)
Step
Check the motor and sensor connectors for
1 proper connection, and correct as neces-
sary.
Check the connector of motor for proper
2
drive coupling, and correct as necessary.
3 PS14 I/O, sensor check
M7 operation check when the power switch
4
is turned OFF and ON.
5 FSCB replacement
(3) Home position sensor
Folding home position sensor (PS11)
Staple/folding motor (M7)
Step
Check the motor and sensor connectors for
1 proper connection, and correct as neces-
sary.
Check the connector of motor for proper
2
drive coupling, and correct as necessary.
3 PS11 I/O, sensor check
M7 operation check when the power switch
4
is turned OFF and ON.
5 FSCB replacement
72
Confidential – for internal use only, do not distribute
Relevant electrical parts
Action
Relevant electrical parts
Action
Field Service Ver. 1.0 Nov. 2007
Finisher control board (FSCB)
WIRING DIAGRAM
Control signal
—
—
FSCB CN9FSCB-5 (ON)
FSCB CN6FSCB-3 to 4
—
Finisher control board (FSCB)
WIRING DIAGRAM
Control signal
—
—
FSCB CN16FSCB-6 (ON)
FSCB CN6FSCB-3 to 4
—
Location
(Electrical
components)
—
—
FS-609/PK-501 I-12
FS-609/PK-501 C-4
—
Location
(Electrical
components)
—
—
FS-609/PK-501 C-11
FS-609/PK-501 C-4
—