Samsung ML 1710 - B/W Laser Printer Service Manual page 26

4.3 Main PBA(SPL Model)
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 inter-
face. The main board sends the Current Image dlml 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, and fan driving.
The signals from the paper feed jam sensor and paper empty sensor are directly inputted to the main
board.
VIDEO CLK
14.7456MHz
Main CLK
10MHz
OSC1
U33
U17
OSC2
CN2
CN1
Samsung Electronics
ASIC SDRAM
USB PORT
U27 U16 U26
U20 U31 CN5
FLASH MEMORY
BUFFER
MOTOR Drive IC
U32 U24 CN3
U25 CN8 CN7
S U M M A RY OF PRO D U C T
CN9
CN10
U13
CN6
Service Manual
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