Troubleshooting
Carriage unit does not operate
Carriage operates but error indicated
Fluorescent lamp does not turn on
Picture can not be read clearly
Table 3-18. Carriage unit does not operate
Cause
Check Point
Yes/No
Remedy
Connector CN20 and
CN23 on main board is
disconnected.
Connector CN20 and
CN23 on main board is
disconnected?
Yes
Connect the connector.
Faulty carriage moving
mechanism
Grease is applied properly?
No
Apply grease at designated
point
(Refer to
Does CR motor operate
when power is turned
ON with upper case of
Scanner removed?
Does CR unit move with
CR motor removed?
No
Check the carriage moving
mechanism, replace the
relevant parts or remove
and reinstall them.
Defective CR HP Board
Replace the CR HP sensor
board
No
Replace the CR HP sensor
board.
Faulty CR motor
Disconnect connector CN2
on CR HP sensor
board
and measure with a tester
the coil resistance between
pins 2 and 4 and between 1
and 3 on motor side.
No
Replace the CR motor.
Defective main board
–
–
Replace the main board.
Table 3-19. Carriage operates but error indicated
Cause
Check Point
Yes/No
Remedy
Upper case of scanner is
removed.
Upper case of scanner is
removed.?
Yes
Install the upper case.
Defective main board
–
–
Replace the main board
Defective CR HP sensor
–
–
Replace the CR HP sensor
board.
Table 3-20. Fluorescent lamp does not turn on
Cause
Check Point
Yes/No
Remedy
Connector CN20 on main
board is disconnected.
Connector CN20 on main
board is disconnected?
Yes
Connect the connector
CN20 on the main board.
Connector of CCD Unit is
disconnected.
Connector of CCD Unit is
disconnected?
Yes
Connect the connector on
the CCD Unit.
Fluorescent lamp is not set
correctly in connector on
inverter board.
Fluorescent lamp is not set
correctly in connector on
inverter board?
No
Set the lamp correctly on
the inverter board.
Defective lamp
Lamp turns on after
replaced?
Yes
Replace the CCD Unit.
Defective inverter board
Problem is solved after
inverter board is replaced?
Yes
Replace the CCD Unit.
Defective main board
–
–
Replace the main board
Table 3-21. Picture can not be read clearly
Cause
Check Point
Yes/No
Remedy
Dirt on mirror inside CR
unit
Picture can be read clearly
after mirror is cleaned?
No
Clean fluorescent lamp
surface.
Defective CCD Unit
–
–
Replace the CCD Unit.
Defective main board
–
–
Replace the main board
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 ...