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Overall Composition Main Unit Theory of Operation
2-2
II Composition/Operation
1.2 Control block diagram
Print Control Board (PWB-P)
Mechanical Control
Board (PWB-A)
LD Control Board (PWB-C)
Image
processing
CPU
Duplex Unit
Control Panel (PWB-OP)
Paper feed and
conveyance
Process
Lower Feeder Unit
TC/Y TC/M TC/C TC/K
Control system line
Image bus line
Fusing
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