Xerox WorkCentre M20 - GP 12 Circuit Description

December 2006
6-39
WorkCentre M20, 4118, FaxCentre 2218 Family
GP 12
General Procedures and Information
GP 12 Circuit Description
Purpose
To give information about the machines main circuitry. Refer to the relevant section:
• M20F PBA Main
• 4118 PBA Main
• 2218 PBA Main
M20F PBA Main
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
The main circuit that consists of a CPU, MFP controller (built in 32bit RISC processor core:
ARM946ES) including various I/O device drivers, system memory, scanner, printer, motor
driver, PC I/F and FAX transceiver controls the whole system. The entire structure of the main
circuit is shown in Figure 1.