December 2006
6-42
WorkCentre M20, 4118, FaxCentre 2218 Family
GP 12
General Procedures and Information
2218 PBA Main
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
CHORUSm is the CPU of the FaxCentre 2218 main controller. It is based on the ARM920T
core and is optimized for the laser multi functional peripheral. The image processor is inte-
grated in the CPU. The entire structure of the main circuit is shown in Figure 3 and Figure 4.
Figure 3 2218 main circuit
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