Troubleshooting For Motors And Sensors - Epson Stylus Photo RX700 Service Manual

EPSON Stylus Photo RX700

3.7 Troubleshooting for Motors and Sensors

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