Printronix P9212 - Page 43

2–17
Principles of Operation
Data Processing
Real–Time
Common Controller Board
Unit
Processing
Unit
Printing
Mechanism
Interface
(DPU)
(RTPU)
Control Panel
Shared
Line Matrix Impact Print Engine
Memory
030 Processor
Board
(DPU)
LMI Motherboard
(CCB)
Printer
Interface
Shared
Memory
Real–Time
Processing
Unit
Printing
Mechanism
Interface
(RTPU)
Printer
Interface
(LMI)
(User Interface)
Control Panel
(User Interface)
Figure 2–12. Architecture of the CCB and LMI