Printer Functional Elements - Printronix P9012 Maintenance Manual

Printer Functional Elements

The printer is made up of the following functional elements:
Control Panel
Data Control Unit (DCU) PCBA
Mechanism Control Unit (MCU) PCBA
Mechanism Driver PCBA
Hammer Driver PCBA(s)
Hammer Bank and Shuttle Mechanics/Magnetic Pickup (MPU)
Power Supply PCBA(s)
Ribbon Deck
Paper Transport
Platen Open/Paper Out Switches
Figure 2–8 shows the basic interrelation of these elements and Figure 2–9 is
a simplified block diagram of the printer.
Principles of Operation
(Figure 2–8 and Figure 2–9)
2–9