Instruction manual

6–9
Principles of Operation
Logical Control of the Printer
The printer is divided into four functional elements: the control panel, the
controller board, the power supply, and the print mechanisms. See
Figure 6–9.
Line 2 / Neutral
Parallel
I/O
ON/OFF
SWITCH
Power Supply
Board
Line 1
CHASSIS
GND
Cabinet
Paper Feed
Motor
Platen Open
Switch
Right Ribbon
Guide
Right Ribbon
Motor
Platen
Motor
Paper Motion
Detector
Paper Out
Detector
Left Ribbon
Motor
Card Cage
Fan
Left Ribbon
Guide
Hammer Bank
Fan
Shuttle Motor
Hammer Bank Board
Terminator Board
MPU
Operator
Panel
+5 V Remote
Power
Shield
GND
J111 EXP PORT J204 MAIN
Common
Ground
CMX Controller Board
Circuit
Breaker
Shuttle Assembly
Exhaust
Fan
Control
Panel
Print Mechanisms
AC
POWER
AC
Input
J203
J201
EIA–232–D
Serial I/O
LG04
Flex Circuits:
LG08 / LG12
Flex Circuits:
Figure 6–9. Functional Elements of the Printer