Service Manual
Product spec and feature
2-12
2.2.3.4(e) Safety Features
• To prevent overheating
- 1st protection device: Hardware cuts off when overheated
- 2nd protection device: Software cuts off when overheated
- 3rd protection device: Thermostat cuts off mains power to the lamp.
• Safety device
- Fuser power is cut off when the front cover is opened
- LSU power is cut off when the front cover is opened
- The temperature of the fuser cover's surface is maintained at less than 80ºC to protect the user and a
caution label is attached where the customer can see it easily when the rear cover is opened.
2.2.3.5 Scanner
• Scan Image Controller
1.Minimum Scan Line Time : 1.23ms
2.Scan Resolution : Color (Max 600 DPI)
3.Scan Width : 208mm
4.Function
- White Shading Correction
- Gamma Correction
- CIS Interface
- 256 Gray Scale
• CIS Driver Circuit
- CIS Max Frequency : 0.5MHz
- CIS Line Time : 5ms
- White Data Output Voltage : Max 1.2V
• Tx Driver Circuit
- Tx Motor Speed : Max 2200pps
- Motor Driver : STA471A
- Voltage : 24V DC