System Overview
Samsung Electronics
Service Manual
3-5
3.2 Engine H/W
3.2.1 Overview
Briefly, Elbruz consists of Main Control Part, Operation Panel Part, Scanner Part, Line Interface Part , Power Part and
Network Interface Card.
Main Controller is commonly applied in all products, Elbruz, and in case of necessary a part of components or Module is
selectively adopted in accordance with required feature of each model.
Each Part is designed with emphasis on Common-Use/Standardization with other models as independent module.
3.2.2 Main Controller
The Main Control has functionalities like a Printer engine controller, a Scanner, a Copier and a FAX machine.
As a Printer engine controller, Main controller controls the paper pick-up part, Laser scanning Unit, High voltage power
supply(HVPS) and fixing unit.
As a Scanner, Main controller controls the image sensor(CCD) and the scan motor, and optimize the scanned image in
order to transfer to the Computer or to send the image via Fax, or to copy it.
As a FAX machine, Main Controller controls the scanner part, and it driving the FAX communication part in order to
communicate with the other FAX machine.
It makes a connection with the other FAX machine, send or receive an image, and it can print the received image.
1) CPU
CHORUSm is the CPU of the ElbruzSEC Main controller. It is made based on the ARM920T core and is optimized for the
Laser multi functional peripheral.
Image Processor is intergrated in the CPU.
2) Flash Memory
Flash Memory is used to store system program code and system configuration contexts.
Machine is able to be up-graded by transferring newer ROM-file via computer interface or Tel-Line interface or Network
interface.
- Capacity: total 16MB ( 8MB x 2ea)
- Access Time: 90ns
3) SDRAM
SDRAM memory are used as Print Buffer for Printing, Scan Buffer for Scanning, FAX receive memory for Facsimile and
System Working Memory Area.
- Operating Frequency: 80MHz
- Total Capacity: 64MByte
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