Epson Stylus COLOR 900 Service Manual page 56

EPSON Stylus COLOR 900/900N
Mechanical Feedback
The block diagram below shows the support circuity for the sensors that
detect the status of the printer's mechanical functions.
+ 5
+ 5
E N C B
E N C A
E 0 5 B 5 9 ( I C 2 )
C O B
C O C
S W C 0
S W A 1
S W A 0
E 0 5 B 6 0 ( I C 3 )
P S C
9 3
9 4
+ 5
1 0 9
1 1 0
+ 5
1 3 7
1 3 6
1 3 5
3 3
+ 5
Figure 2-16. Printer Mechanism Sensor Support Circuitry
C N 8
2 1
L S 1
Linear Encoder
2 0
L S 2
C N 9
2 0
C O B
Ink Cartridge Sensors
2 1
C O C
Chapter 2 Operating Principles
C N 1 5
1 6
CR Home Position Sensor
H P
1 5
Paper End Sensor
P E
1 4
ASF Sensor
A S F
4
C N 5
4
Power Control Signal (PSC)
P S C
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