Samsung SCX-340x series Service Manual page 29

6) Items for safety
• Protecting device for overheating
- 1st protection device: Hardware cuts off when overheated
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2nd protection device: Software cuts off when overheated
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3rd protection device: Thermostat cuts off main power.
• Safety device
- A fuser power is cut off when a front cover is opened.
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Maintain a temperature of fuser cover's surface under 80°C for user, and attach a caution label at where
customer can see easily when customer open a rear cover.
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2. Product specification and description
2-20