Samsung SCX 6322DN Service Manual - Page 21

System Overview 3.1.4 Fax 1) Modem part Implemented by based on Conexant DAA (Data Access Arrangement) Solution, and is roughly composed of two kinds Chip Solution - CX86710 (SFX336) : Existing Modem Chip which adds SSD (System Side Device) for interfacing between LSD and DIB of FM336Plus Core - CX20493 (LSD) : LIU (Line Interface Unit) Chip which is controlled by SSD and satisfies each PSTN Requirements by modulating internal Configuration with connecting Tel Line. 2) Line Interface Part This is Connection Part between system and PSTN(Public Switched Telephone Network), and primary circuit is usually located. Main functions are Line Interface, Telephone Connection and Line Condition Monitoring. 3.1.5 Mechanical 1) Feeding Part Feed Type : Universal Cassette Type Feed Standard : Side Loading Feed Capacity < Cassette> : 550sheets (75g/ , 20lb paper based on) : 100sheets (75g/ , 20lb paper based on) Feed Separation Method : Separation Claw Method : Friction Pad Method Driving System : Driving by gearing from Main Motor Pickup Roller Driving Control : Solenoid Pickup Roller Rubber Material : EPDM+IR : EPDM+IR Paper detection Sensor : Photo Sensor Paper Size Sensor : None Feed Type : Face Up Paper Exit Type : Face Down 2) Transfer Ass'y High Pressure Voltage Type : Constant Voltage PWM Control Type Roller Material : NBR Sponge Rubber Roller Structure : Mono-layer Life : 100,000 pages printing or more Samsung Electronics Service Manual 3-3