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SERVICE CALL CONDITIONS
SC144 - 3rd scanner home position sensor abnormal - stays off
Definition: [level: D]
When the 3rd scanner returns to the home position, the 3rd scanner
home position sensor does not detect the on condition for 1.2 seconds or
more, and more than twice.
Possible causes:
•
3rd scanner home position sensor shorted
•
3rd scanner drive motor defective
•
Optics control board defective
SC145 - 3rd scanner home position sensor abnormal - stays on
Definition: [level: D]
When the 3rd scanner leaves from the home position the 3rd scanner
home position sensor does not detect the off condition for 2.0 seconds or
more, and more than twice.
Possible causes:
•
3rd scanner home position sensor open
•
3rd scanner drive motor defective
•
Optics control board defective
SC146 - Abnormal magnification operation
Definition: [level: D]
The lens vertical drive motor or the lens horizontal drive motor move for no
apparent reason in the ready condition.
Possible causes:
•
Lens vertical drive motor defective
•
Lens horizontal drive motor defective
•
3rd scanner drive motor defective
•
Optics control board defective
6-6
15 July 1996
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