Summary of Product

4.2.4.5Safety Relevant Facts

• 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.

4.2.5 Scanner Unit

• Scan Image Controller

1.Scan Line Time : 1.67ms

2.Scan Resolution : Color : Max 600DPI

3.Scan Width : 216mm 4.Function

-White Shading Correction

-Gamma Correction

-CIS Interface

-256 Gray Scale

CIS Driver Circuit

-CIS Clock : 4.16MHz

-Voltage Reference : 1.1V

-CIS Line Time : 1.67ms/Line x 3Color(600dpi)

Scan Motor Driver Circuit

-Motor Driver : SIA403A

-Used Volt : 24V DC

Service Manual

4-6

Samsung Electronics

Page 27
Image 27
Samsung SCX-4100 Scanner Unit, Safety Relevant Facts, Scan Image Controller, CIS Driver Circuit, Scan Motor Driver Circuit