Star Micronics TSP552 User Manual page 107

Notes 1. A shield cable must be used.
2. It is not possible to drive two drives simultaneously.
3. The peripheral drive duty must satisfy the following.
ON time / (ON time + OFF time) 0.2
4. Power to the peripheral drive must be supplied from the printer
(connector pin 4).
5. The resistance of the peripheral drive solenoid must be 24
higher.
If it is lower than 24 , over-current may flow into the solenoid,
causing the solenoid to burn.
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