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SERVICE CALL CONDITIONS
SM
4-43
B234/B235/B236/D101/D102/D103
T
ro
u
b
le
-
s
h
o
o
ti
n
g
Clamp Roller Retraction Motor
SC766
D
The clamp roller did not return to
the home position within the
specified time.
•
Clamp roller mechanism overloaded due
to an obstruction
•
Clamp roller HP sensor connector loose,
broken, defective
•
Clamp roller HP sensor defective
•
Clamp roller retraction motor connector
loose, broken, defective
•
Clamp roller retraction motor defective
•
Main control board defective
Stack Junction Gate Motor
SC767
D
The stack junction gate did not
return to the home position
within the specified time.
•
Stack junction mechanism overloaded
due to an obstruction
•
Stack junction gate HP sensor connector
loose, broken, defective
•
Stack junction gate HP sensor defective
•
Stack junction gate motor connector
loose, broken, defective
•
Stack junction gate motor defective
•
Main control board defective
Cover Interposer Lift Motor 1 Error
SC770
D
In the first tray:
•
The upper limit sensor did not
detect the bottom plate within
the specified time after the lift
motor switched on to lift the
bottom plate.
•
The lower limit sensor did not
direct the bottom plate within
the specified time after the lift
motor switched on to lower
the bottom plate.
Note
: In both cases, 1 error
count indicates a jam, 2 error
counts issue this SC code.
•
Lift motor, upper limit sensor, lower limit
sensor harnesses, connectors loose,
broken, defective
•
Lift motor defective
•
Upper limit sensor defective
•
Lower limit sensor defective
Cover Interposer Lift Motor 2 Error
SC771
D
In the second tray:
•
The upper limit sensor did not detect
the bottom plate within the specified
time after the lift motor switched on to
lift the bottom plate.
•
The lower limit sensor did not direct the
bottom plate within the specified time
after the lift motor switched on to lower
the bottom plate.
Note
: In both cases, 1 error count
indicates a jam, 2 error counts issue this
SC code.
•
Lift motor, upper limit sensor,
lower limit sensor harnesses,
connectors loose, broken,
defective
•
Lift motor defective
•
Upper limit sensor defective
•
Lower limit sensor defective