HP V8.5 manual T I O N

5-2

5

8-bit Parallel Data

Data Input

Interface

Data

Buffer

Non-

volitile

RAM

24 V C

Power

Supply

Motor

Input

T H E O R Y O F O P E

REM		5 V DC
REM		Power
REM		Supply
	Decoder	Micro controller
REM
		Temperature Feedback
REM
		Thermal
MODE		Printhead
		Parallel
		to serial

V8.5e		Character generator	Sensor Pod
		ROM (print mode)
Rev
2.2.2002	Figure 5-1. Functional block diagram

R A T I O N