Board Structure; Descriptions - Ricoh G165 Service Manual

Machine Overview

6.1.5 BOARD STRUCTURE

Printer Model

Descriptions

EGB (Engine Board):
This controls the Engine, the controller interface, image processing, MUSIC (Mirror
Unit for Skew and Interval Correction), input/output, interfaces with the optional units,
and the operation panel. MUSIC is also called Automatic Line Position Adjustment).
Controller:
This controls the interface between the OPU and EGB, and applications. The controller
connects to the EGB through the PCI Bus (Peripheral Component Interconnect Bus).
LD Drive Board:
This is the laser diode drive circuit board.
Memory DIMM (Standard: 64MB (P1a)/ 128MB (P1b/c), Option: 256MB):
This is for more printer processing memory, and is also used for collation and for soft
fonts.
OPU (Operation Panel Unit):
This controls the display panel, the LED, and the keypad.
G165/G166/G167/G181/G183/G184 6-8 SM