7.2. GENERAL BLOCK DIAGRAM
The following is an outline of each device IC on the digital board. (Refer to GENERAL BLOCK
DIAGRAM().).
1. ASIC (IC501)
Composed mainly of an address decoder and a modem control.
Controls the general FAX operations.
Controls the operation panel I/F.
Controls the thermal head I/F and CIS I/F.
Performs the image processing.
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