Epson Stylus CX3100 Service Manual page 33

EPSON Stylus CX3100/3200
3.4 Troubleshooting for Motors and Sensors
Table 3-13. Motor Resistance and Check Point
Section Motor Name
Printer CR motor CN13
(Main board)
PF motor CN14
(Main board)
Scanner CR motor CN7
(Main board)
Table 3-14. Sensor Check
Section Sensor Name
Printer HP/ PE sensor CN4 / Pin 1 & 2
Scanner Scanner CN2 / Pin 1 & 2
carriage HP
sensor
Troubleshooting
Location Check Point Resistance
Pin 1 & 3, 7.8
Pin 2 & 4
Pin 1 & 3, 5.4
Pin 2 & 4
Pin 1 & 2, 26
Pin 3 & 4
Location Signal Level Sensor Status
• Out of HP zone
Off:
less than 0.7V • No paper
• Within HP zone
On:
2.4V and over • There is paper
Off: Not at home
less than 0.7V position
On: Within home
2.4V and over position zone
Troubleshooting for Motors and Sensors
Ω ±
10%
Ω ±
10%
Ω ±
7%
Revision A
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