Samsung MultiXpress K7 Series Service Manual page 110

2. Product Specifications and Description
Main controller communicates with the OPE Controller through the A3000 LCD Control Block and LVDS Data cable
to display the system information on LCD.
The OPE Unit displays the status of the system by using the WQXGA(old model)/WSVGA(new model((IR UI)) TFT
LCD in response to user actions or the main controller.
The soft power switch in the OPE Unit is used to safely shut down the system power.
The ADF Controller controls some mechanisms required to scan by feeder continuously and communicates with the main
controller to synchronize the scanning timing.
The HVPS board generates high-voltage channels and controls it. The FDB board controls the fuser lamp On/Off. The
SMPS board generates the 5V, 24V for system power.
Circuit Board Locations
The following diagrams show the locations of the printer circuit boards :
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