Samsung ML-1665 Service Manual - Page 27
Engine H/W Specific, 2.4.1 Main PBA - paper jam
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Product spec and feature 2.2.4 Engine H/W Specifications 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. CN6, Power I/F CN4, LSU I/F CN8, Pick CN2, Fuser up_clutch CN7, Main motor drive CN1, Hyper CN5, Sensor Service Manual 2-17 Samsung Electronics
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