3.3 Detection of Abnormal Status
•Cover Open/Close Detection
The STP cover open switch turns OFF when the cover is opened. Since the switch is connected to the power supply, the power supply to the STP is cut when the switch turns OFF. For this reason, all the operation is disabled while the cover is open. When the STP cover is closed, the delivery of the power supply is resumed to light the STP power lamp and enable stapling.
•Staple Empty Detection
Upon detecting a staple empty state, the STP staple empty switch resets the motor drive circuit so that the motor does not operate even if the STP paper set sensor detects the presence of paper. This error state is reset when staples are supplied causing the STP paper set sensor to detect the presence of staples.
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