Dell 1135N Service Manual page 28

6) Items for safety
Protecting device for overheating
- 1st protection device: Hardware cuts off when overheated
- 2nd protection device: Software cuts off when overheated
- 3rd protection device: Thermostat cuts off main power.
Safety device
- A fuser power is cut off when a front cover is opened
- Maintain a temperature of fuser cover's surface under 80
where customer can see easily when customer open a rear cover.
Service Manual
Product specification and feature
2-16
for user, and attach a caution label at