Samsung ML-1640 Service Manual page 17

2.2.1.1 Feeding
There are the C-path type, which loads papers, and the manual feeder, which supplies paper one by one.The
cassette has the function pad which separates paper one by one, and it has the sensor function to check the
existence of the loading paper.
1) Feeding Type : MPF Type
2) Feeding Standard : Center Loading
3) Feeding Qty : Cassette 150 sheets (75g/ , 20lb paper standard)
4) Manual 1 sheet (Paper, OHP, Envelope etc.)
5) Separating Type : Cassette - Friction Pad Type
6) Driver Type : Driving by Gearing from Main Motor
7) Pick_up Roller Driver : Solenoid
8) Paper detecting Sensor : Photo Sensor
9) Paper Size Sensor : None
10) Paper Exit Type : Face Down
11) MP Tray : MP Cassette Type (Cener Loading)
2.2.1.2 Transfer Ass'y
The transfer roller delivers the toner of the OPC drum to the paper.
- The life span : Print over 50,000 sheets (in 16 ~30 )
2.2.1.3 Driver Ass'y
It is a power delivery unit by gearing. By driving the motor, it supplies the power to the feeding unit, the fusing unit,
and the distributing unit.(Motor drive IC : A3977)
- It is a power delivery unit by gearing : Feeder/Developer
2.2.1.4 FUSER
The fuser is consisted of the Heat Lamp,Heat Roller,Pressure Roller,Thermister and Thermostat.
It adheres the toner on the paper with pressure and heat to complete the printing job.
- Life Cycle : 50K(pages)
Service Manual
Product spec and feature
2-8
Motor Fuser/Exit
Samsung Electronics