Detailed Section Descriptions - Ricoh B230 Service Manual

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5. DETAILED SECTION DESCRIPTIONS

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

Fax Options:

Extra G3 Interface option: This provides one more analog line interface. This allows

full dual access. Two extra G3 interface options can be installed.

Memory Expansion: This expands the SAF memory and the page memory (used for

image rotation); without this expansion, the page memory is not big enough for image

rotation at 400 dpi, so transmission at 400 dpi is not possible.

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