EPSON Stylus COLOR 440, 640, and 740 Chapter 1 Product Description
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1.8.2 C206 MAIN-B Board (Stylus COLOR 440)
The C206 MAIN-B board controls the operation of the printer
mechanism and data processin
operations for the St
lus COLOR 440.
This board will eventuall
be replaced b
the C255 MAIN board.
The C206 MAIN-B board consists of the followin
ma
or components:
Figure 1-12. C206 MAIN-B board
1.8.3 C256 MAIN Board (Stylus COLOR 640)
The C256 MAIN board controls the operation of the printer mechanism
and data processin
operations for the St
lus COLOR 640. It consists
of the followin
ma
or components.
Figure 1-13. C256 MAIN board
CN1
B a tt 1
IC 7(H ead)
CN6CN7
IC 4 (4 M D -R A M )
IC 1 (C P U )
IC 14(PF)IC 15(C R )
IC 3 (P -R O M )
IC 2 (A s ic )
CN10
Q 7,Q 9(H ead)
CN8
EEPRO M
(IC 1 1 )
CN3
CN5
CN4
CN11
IC 14(PF)
IC 2 (A s ic )
CN1
CN2
B a tt 1
IC 15(C R )
CN10
IC 7(H ead)
Q 7,Q 9(H ead)
CN8
CN6CN7
CN3
CN5
CN4
CN11
IC 16(P-R O M )
IC 6
IC 5 (4 M D -R A M )
IC 1 (C P U )