My SP-1425 is suddenly turned off when I pulled jammed papers from the scanner.

Since the motor in the scanner is forced to rotate by pulling the jammed papers, causing counter electromotive force, the overcurrent protection circuit in the AC adapter turned off the scanner.
Please be sure to open the ADF cover when pulling out jammed papers.

When the scanner is turned off by the overcurrent protection circuit, please plug out the AC cord
from the outlet to reset the circuit, and then plug it in again.

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