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I
Control Logic
I
Board Unit
I
I
Control & Drive
Circuit Block
l
~
Printer Mechanism
I
I
Parallel
,
Block
Interfacel
I
Power Supply
Unit
I
r - - - - - - - - - - - - - . ,
I
I
Serial Interface
I
: Block (option)
:
I
1... _ _ _ _ _ _ _ _ _ _ _ _ _
-1
,
r - - - - - - - - - - - - - ,
i
I
I
FIFO lnpu t Buffer
I
I
~
_
B_o.':r~ J~P.t~o~~
__
J
I
-
-
- -
JA
C Power
Fig. 6-2
Block Diagram of Gemini-lOX Printer
Parallel
Interface
-I
r-------,
L-_ _ _ _ _ ---"
I
I
FIFO Inpu t
I
~_~
Buffer
~
__ _
I
I
I
:-Se-ri~l---;
:
I
(optional)
I
r _J
L - - - - - - ---'
Interface
I
I
I
(optional)
~--------------------------
Control CPU
L ________ --'
L-_ _
~-----.J
Head Vriver
Motor Driver
Sensors
Fig_ 6-3
Block Diagram of Control Logic Board
-61-
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