Detailed Section Descriptions; Overview - Ricoh C2000 Service Manual

5. Detailed Section Descriptions

Overview

5
The basic fax unit consists of two PCBs: an FCU and an MBU.
The FCU controls all the fax communications and fax features, in cooperation with the controller board.
The MBU contains the ROM and SRAM. Also, the FCU has an NCU circuit.
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