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Copyright (c) 2010 RICOH COMPANY, LTD. All Rights Reserved.
Figure 2: Hardware configuration of TOE
Operation Panel Unit (hereafter "Operation Panel")
The Operation Panel is an interface device that is installed on the TOE for use by users. It features key
switches, LED indicators, an LCD touch screen, and the Operation Panel Control Board. The Operation
Panel Control Software is installed in the Operation Panel Control Board. The Operation Panel Control
Software controls the LEDs and displays information on the LCD touch screen after input information has
been sent from the key switches and LCD touch screen to the MFP Control Software, or in response to
direct instructions from the MFP Control Software.
Engine Unit
The Engine Unit contains a Scanner Engine, Printer Engine, and the Engine Control Board. The Scanner
Engine is an input device to read the paper documents. The Printer Engine is an output device for printing
and outputting of paper documents. The Engine Control Software is installed in the Engine Control Board.
The Engine Control Software sends information about the status of the Scanner Engine and Printer Engine
to the MFP Control Software, and operates the Scanner Engine or Printer Engine according to instructions
from the MFP Control Software.
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