Epson Stylus PHOTO RX600 Service Manual page 33

EPSON Stylus PHOTO RX600/610, RX620/630
Carriage unit does not operate
Table 3-15. Carriage unit does not operate
Cause Check Point
Connector CN13 1. Connector CN13 and CN14
and CN14 on main on main board is
board is disconnected?
disconnected.
Faulty carriage 1. Grease is applied properly?
moving mechanism
2. Does CR motor operate when
power is turned ON with
upper case of Scanner
removed?
2. Does CR unit move with CR
motor removed?
Faulty CR motor 1. Disconnect connector CN11
on main board and measure
with a tester the coil
resistance between pins 2 and
4 and between 1 and 3 on
motor side.
See Table 3-21 "Motor
Resistance and Check Point"
(p 35)
Defective main
-
board
Carriage operates but error indicated
Table 3-16. Carriage operates but error indicated
Cause Check Point
Upper case of 1. Upper case of scanner is
scanner is removed. removed.?
Defective main
-
board
Defective CR HP
-
sensor
Troubleshooting
Yes/No Remedy
Connect the connector.
Yes
Apply grease at designated
point
No
(Refer to "Maintenance" on
page -80)
Check the carriage moving
mechanism, replace the
relevant parts or remove
No
and reinstall them.
Replace the CR motor
No
Replace the main board
-
Yes/No Remedy
Install the upper case.
Yes
Replace the main board.
-
Replace the CR HP sensor.
-
Troubleshooting for Scanner
Fluorescent lamp does not turn on
Table 3-17. Fluorescent lamp does not turn on
Cause Check Point
Connector CN4 on 1. Connector CN4 on main
main board is board is disconnected?
disconnected.
Connector of CCD 1. Connector of CCD module is
module is disconnected?
disconnected.
Fluorescent lamp is 1. Fluorescent lamp is not set
not set correctly in correctly in connector on
connector on inverter board?
inverter board.
Defective lamp 1. Lamp turns on after
replaced?
Defective inverter 1. Inverter board is normal after
board replaced?
Defective main
-
board
Picture can not be read clearly
Table 3-18. Picture can not be read clearly
Cause Check Point
Dirt on mirror inside 1. Picture can be read clearly
CR unit after mirror is cleaned?
Defective CCD
-
module
Defective main
-
board
Revision C
Yes/No Remedy
Connect the connector CN4
Yes
on the main board.
Connect the connector on
Yes
the CCD module.
Set the lamp correctly on
the inverter board.
No
Replace the CCD module.
Yes
Replace the CCD module.
Yes
Replace the main board.
-
Yes/No Remedy
Clean fluorescent lamp
No
surface.
Replace the CCD module.
-
Replace the main board.
-
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