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Troubleshooting
Troubleshooting for Motors and Sensors
3.7 Troubleshooting for Motors and Sensors
Motor
Sensor (mechanical contact type)
C H E C K
P O I N T
Refer to
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
23.6
Ω
±
15%
PF motor
Relay Connector (Red)
Pin 1 & 2
26.4
Ω
±
10%
Pump motor
(Ink System Assy)
Relay Connector (Yellow)
Pin 1 & 3,
Pin 2 & 4
7.6
Ω
±
10
%
Pressure motor
(Pressure Pump Assy)
CN18
Pin 1 & 2
64.7
Ω
±
15%
ASF motor
Relay Connector (White)
Pin 1 & 3,
Pin 2 & 4
7.0
Ω
±
10
%
APG motor
Relay Connector (Black)
Pin 1 & 2
64.7
Ω
±
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
Summary of Contents for Stylus Photo RX700 Series
Page 1: ...EPSON StylusPhotoRX700 Scanner Printer Copier SERVICE MANUAL ECOS SEMF05001 ...
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 17: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 51: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 76: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 133: ...C H A P T E R 5 ADJUSTMENT ...
Page 146: ...C H A P T E R 6 MAINTENANCE ...
Page 163: ...C H A P T E R 7 APPENDIX ...
Page 175: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 1 3 Rev H ...
Page 176: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 2 3 Rev H ...
Page 177: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 3 3 Rev H ...
Page 178: ...Model PM A900 Stylus PHOTO RX700 Board C583 PNL PNL B Sheet 1 1 Rev C ...
Page 179: ...Model PM A900 Stylus PHOTO RX700 Board C583PSB Sheet 1 1 Rev H ...
Page 180: ...Model PM A900 Stylus PHOTO RX700 Board C583PSE Sheet 1 1 Rev F ...