Epson FX-870

Principles of Operation
Figure 6-24 shows the data flow from the host computer to the printhead.
Data sent fkom the host
computer is converted to image data and transmitted to the printhead through the gate array.
CPU
I
Host computer
Image data
transfer
L
I
Gate Array
(EOSABGYA)
+
RAM
Input
buffer
Figure 6-24. Data Flow
Epson FX-87W1170
6-23