SC No. Type Error Name/Error Condition/Major Cause/Solution
SC720-25 B Punching Motor Error
SC720-27 B Punch Displacement Motor Error
SC720-28 B Horizontal Registration Detection Displacement Motor Error
SC720-30 B Jogger Motor Error
SC720-33 B Positioning Roller Drive Motor Error
Error Condition of -20, -24, -25, -27, -28, -30, -33
• 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).
SC720-34 B Positioning Transport Motor Error
Motor driver detects an error (DC motor control error) (1st time is jam
notification, 2nd time is SC notification)
SC720-35 B Rear End Press Motor Error
• Motor driver detects an error (DC motor control error) (1st time is
jam notification, 2nd time is SC notification)
• 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 for
longer than a predetermined time (1st time is jam notification, 2nd
time is SC notification).
SC720-41 B Release Motor Error
Service Call 700-792
977