Ricoh Aficio MP 2550B Security Target - Page 13

The Engine Unit is con d with a Scanner Engine, Printer Engine and Engine Control Board.

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Page 13 of 83 Figure 2: Hardware Configuration of TOE Operation Panel Unit (hereafter called Operation Panel) The Operation Panel is an interface device that is equipped on the TOE and is used by TOE users for TOE operation. It is configured with key switches, LED indicators, touch screen LCD, and the Operation Panel Control Board. Operation Panel Control Software is installed in the Operation Panel Control Board. The Operation Panel Control Software puts on and off the LEDs, and displays information on the touch screen LCD after sending the input information from the key switches and touch screen LCD to MFP Control Software or receiving the instructions from the MFP Control Software. Engine Unit The Engine Unit is configured with a Scanner Engine, Printer Engine and Engine Control Board. The Scanner Engine is an input device to read the paper documents. The Printer Engine is the output device to print and output the paper documents. Engine Control Software is installed in the Engine Control Board. The Engine Control Software sends information about the status of the Scanner Engine and the Printer Engine to the MFP Control Software, or operates the Scanner Engine and the Printer Engine according to the instruction from the MFP Control Software. Fax Unit (Optional) The Fax Unit is a device that has a modem function to send and receive fax data when connected to a telephone line. The Fax Unit has an interface to the MFP Control Software that provides the MFP Control Software with the Copyright (c) 2009,2010 RICOH COMPANY, LTD. All Rights Reserved.

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Page 13 of 83
Figure 2: Hardware Configuration of TOE
Operation Panel Unit (hereafter called Operation Panel)
The Operation Panel is an interface device that is equipped on the TOE and is used by TOE users for TOE
operation. It is configured with key switches, LED indicators, touch screen LCD, and the Operation Panel
Control Board. Operation Panel Control Software is installed in the Operation Panel Control Board. The
Operation Panel Control Software puts on and off the LEDs, and displays information on the touch screen
LCD after sending the input information from the key switches and touch screen LCD to MFP Control
Software or receiving the instructions from the MFP Control Software.
Engine Unit
The Engine Unit is configured with a Scanner Engine, Printer Engine and Engine Control Board. The
Scanner Engine is an input device to read the paper documents. The Printer Engine is the output device to
print and output the paper documents. Engine Control Software is installed in the Engine Control Board. The
Engine Control Software sends information about the status of the Scanner Engine and the Printer Engine to
the MFP Control Software, or operates the Scanner Engine and the Printer Engine according to the
instruction from the MFP Control Software.
Fax Unit (Optional)
The Fax Unit is a device that has a modem function to send and receive fax data when connected to a
telephone line.
The Fax Unit has an interface to the MFP Control Software that provides the MFP Control Software with the
Copyright (c) 2009,2010 RICOH COMPANY, LTD. All Rights Reserved.