Epson Stylus Photo RX700 - Troubleshooting for Motors and Sensors

EPSON Stylus Photo RX700 Revision A
Troubleshooting Troubleshooting for Motors and Sensors 75
3.7 Troubleshooting for Motors and Sensors
 Motor
 Sensor (mechanical contact type)
C H E C K
P O I N T
Refer to 2.1.2 Motors and Sensors (p.19) for the locations of the
motors and sensors.
Table 3-22. Motor Resistance and Check Points
Motor Name Location Check Point Resistance
CR motor Relay Connector (White) Pin 1 & 2 23.6Ω ±
15%
PF motor Relay Connector (Red) Pin 1 & 2 26.4Ω ± 10%
Pump motor
(Ink System Assy)
Relay Connector (Yellow)
Pin 1 & 3,
Pin 2 & 4
7.6Ω ±
10%
Pressure motor
(Pressure Pump Assy)
CN18 Pin 1 & 2 64.7Ω ± 15%
ASF motor Relay Connector (White)
Pin 1 & 3,
Pin 2 & 4
7.0Ω ±
10%
APG motor Relay Connector (Black) Pin 1 & 2 64.7Ω ± 15%
CR motor
(Scanner Unit)
Pin 1 & 2
Table 3-23. Sensor Check
Sensor Name Location Signal Level Sensor Status
Pressure Pump HP Sensor CN16 Pin x & x
H: Cover Open
L: Cover Closed
PE sensor CN30 Pin x & x
On:
2.4V or over
On: Paper absent
Off:
less than 0.4V
Off: Paper present
CD-R sensor 1
(for guide)
CN15 Pin 1 & 2
Open: H: CDR Guide retracted
(ASF mode)
Close: L: CDR Guide used (CDR
mode)
CD-R sensor 2
(for tray)
CN14 Pin 1 & 2
Close: L: CD-R Tray absent
Open: H: CD-R Tray present
Cover Tray sensor CN13 Pin 1 & 2
Close: L: Cover Tray closed
Open: H: Cover Tray open
I/C cover SW
CN5 Pin 1 & 2
CN10 Pin 1 & 2
Close: L: I/C Cover closed
Open: H: I/C Cover open