TM
TECHNICAL BACKGROUND
BLOCK DIAGRAM
Data |
|
(from host computer) | Peripheral unit |
Parallel | Serial | Driver | Print head |
interface | interface |
|
|
Control |
|
|
|
panel | Gate array |
| Carriage motor |
board |
|
| |
|
|
| |
Paper |
|
|
|
out | CPU |
| Detectors |
detector |
|
|
|
EPROM |
| Driver | Paper feed |
32KB |
| ||
| motor | ||
24 VDC |
|
| |
5 VDC |
|
|
|
RAM 8KB |
| Printer | |
|
|
| |
| Control board | mechanism | |
|
| ||
CHAP. 4
TECHN…
Fig. 16 Circuit block diagram
4 - 1
