Samsung ml-1660 - media and tray; Selecting Print Media; Changing the Tray Size

Product spec and feature
Service Manual
2-17
Samsung Electronics
2.2.4 Engine H/W Specications
2.2.4.1 Main PBA
The Engine Board and the Controller Board are in one united board, and it is consisted of CPU part and
print part in functional aspect. The CPU is functioned as the bus control, I/O handling, drivers, and PC
interface. The main board sends the Current Image of Video data to the LSU and manages the conduct of
Electrophotography for printing. It is consisted of the circuits of the motor (paper feed, pass) driving, clutch
driving, pre- transfer lamp driving, current driving.
The signals from the paper feed jam sensor and paper empty sensor are directly inputted to the main board.
CN4, LSU I/F CN8, Pick
up_clutch
CN2, Fuser
CN1, Hyper
CN5, Sensor
CN7, Main
motor drive
CN6, Power I/F