C228 Driver Board - Epson Stylus Pro 5000 Service Manual

Stylus Pro 5000

C228 DRIVER BOARD

The driver board controls 2 printheads, 3 motors, 2 solenoids, and all the sensors. Figure 2-28 shows a circuit block diagram of the driver board.
V H 4
L e f t H e a d
C O M
C N 1 0
V H 4
R i g h t H e a d
C O M
C N 1 1
C N 1 4
C R
C N 1 5
P F
C N 1 6
P u m p
A S F
C N 8
A S F
V H 2
M 6 5 X X ( I C 8 0 )
V H 2
C X D 2 3 0 8 Q ( I C 8 )
I C 2
I C 3
I C 4
I C 5
I C 5
S o l e n o i d
C N 8
Figure 2-28. C228 DRV Board Circuit Block Diagram
( P a p e r ) L e f t Q u a n t i t y S e n s o r
E 0 5 B 4 8 X X ( I C 9 )
P a p e r S i z e / T y p e S e n s o r
C N 7
P R S e n s o r P E S e n s o r
Chapter 2 Operating Principles
P a p e r P i c k U p S e n s o r
C N 1 8
C N 1 9
P T S E n c o d e r
C N 1 2
C N 3
C o o l i n g
F a n
C N 1 3
O p e r a t e R e s e t C l e a n i n g E j e c t
3 s e c 3 s e c C o n t i n u e
P a p e r S i z e / T y p e S e n s o r
C N 9
C N 6
C N 2 1 ( C , c )
I / C O u t , I n k
O u t S e n s o r
C N 2 0 ( M , m )
C N 2 2 ( Y )
C N 2 3 ( B k )
P S e n s o r
C N 4
C N 1 7
C R H P
S o l e n o i d
2-19