SC No. Type Error Name/Error Condition/Major Cause/Solution
SC721-17 B Paper Eject Motor 2 Error
Motor driver detects an error state (DC motor control error) (1st time is
jam notification, 2nd time is SC notification).
SC721-24 B Paper Exit Guide Plate Open/Close motor Error
• During movement to home, the home position could not be detected
within a predetermined pulse (1st time is jam notification, 2nd time is
SC notification).
• During movement from home, the home position was detected for
longer than a predetermined pulse (1st time is jam notification, 2nd
time is SC notification).
SC721-25 B Punch Drive Motor Error
• During movement to home, the home position could not be detected
within a predetermined time (1st time is jam notification, 2nd time is
SC notification).
• During movement from home, the home position was detected even
after a predetermined time elapsed (1st time is jam notification, 2nd
time is SC notification).
• Output from the encoder could not be counted for a predetermined
number of times within a predetermined time (1st time is jam
notification, 2nd time is SC notification).
SC721-27 B Punch Movement Motor Error
SC721-28 B Punch Horizontal Registration Detection Error
SC721-30 B Jogger Motor 1 Error
SC721-33 B Positioning Roller Motor Error
SC721-41 B Release Motor Error
• During movement to home, the home position could not be detected
within a predetermined pulse (1st time is jam notification, 2nd time is
SC notification).
• During movement from home, the home position was detected even
after a predetermined pulse elapsed (1st time is jam notification,
2nd time is SC notification).
6. Troubleshooting
898
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