51
SD-505
T
roubleshooting
10
.2.5
C11B5: Side staple 1 drive failure
10
.2.6
C11B6: Side staple 2 drive failure
10
.2.7
C11D0: Crease motor drive failure
Relevant electrical parts
Staple unit 1
Staple unit 2
SD control board (SDCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Check the staple units 1 and 2 connectors
for proper connection and correct as nec-
essary.
—
—
2
Check staple units 1 and 2 for proper drive
coupling, and correct as necessary.
—
—
3
Staple units 1 and 2 operation check
—
—
4
Change staple units 1 and 2
—
—
5
Change SDCB
—
—
Relevant electrical parts
Crease motor (M10)
Crease roller home position sensor (PS22)
SD control board (SDCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Check the M10 connector for proper con-
nection and correct as necessary.
—
—
2
Check M10 for proper drive coupling and
correct as necessary.
—
—
3
M10 operation check
SDCB PJ3-1 to 2
SD-505 C-7
4
PS22 I/O check, sensor check
SDCB PJ2-3 (ON)
SD-505 C-7
5
Change SDCB
—
—
Y108482-2 Service Manual
Field Service Ver. 2.0 Jan. 2008
10
. Malfunction code
