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THEORY OF OPERATION
5
5 - 2 V8.5e Rev 2.2.2002
8-bit Parallel Data
Data Input
Interface
Data
Buffer
Non-
volitile
RAM
24 V C
Power
Supply
Motor
5 V DC
Power
Supply
Micro controller
Character generator
ROM (print mode)
Sensor Pod
Parallel
to serial
Thermal
Printhead
Input
Decoder
REM
REM
REM
REM
REM
MODE
Temperature Feedback
Figure 5-1. Functional block diagram