Service manual

SERVICE MANUAL MASTER FILE
ENGLISH
Rev. A (1997/05/07)
2-6
The data from the host computer is stored in the input buffer once, then converted into image data
and transmitted to the printhead through the gate array, as shown in the figure below:
H ost com puter
CPU
Printhead driver
circuit
Print data
conversion
Im age data
tra n s fe r
Input buffer
Im age buffer
RAM
Gate array
D a ta la tc h
and
data output
Figure 2-6. Data Flow