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SERVICE CALL CONDITIONS
SC740 - Abnormal staple unit drive motor movement (sorter stapler/
finisher)
Definition: [level: B]
The staple unit home position sensor does not detect the on condition
when the staple unit is in the home position. A jam is indicated.
The staple unit home position sensor does not detect the on condition
(within 1640 pulses) when the staple unit moves to the home position. A
jam is indicated.
The staple unit home position sensor does not detect the on condition
(within 280 pulses) when the staple unit moves forward from the home
position and moves back to the home position. A jam is indicated.
If the above condition occurs twice, this SC is displayed.
Possible causes:
•
Staple unit drive motor defective
•
Staple unit home position sensor defective
SC741 - Abnormal bin rear plate motor movement (sorter stapler)
Definition: [level: B]
When the rear bin plate is open, the bin rear plate open sensor does not
detect the on condition for 750 ms or more after the motor starts. Then a
jam is indicated.
When the rear bin plate is closed, the bin rear plate home position sensor
does not detect the on condition for 750 ms or more after the motor
starts. Then a jam is indicated.
In the initial condition, the bin rear plate open sensor does not detect the
on condition for 1.25 seconds or more after the motor starts. Then a jam
is indicated.
If the above condition occurs twice, this SC is displayed.
Possible causes:
•
Bin rear plate drive motor defective
•
Bin rear plate open sensor defective
•
Bin rear plate home position sensor defective
SC742 - Abnormal stack feed out motor movement (finisher)
Definition: [level: B]
No encoder pulses is detected for 500 ms. or more.
Possible causes:
•
Stack feed out motor defective
6-22
15 July 1996
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