EPSON Stylus PHOTO RX600/610, RX620/630 Revision C
Troubleshooting Troubleshooting for Scanner 33
Carriage unit does not operate
Carriage operates but error indicated
Fluorescent lamp does not turn on
Picture can not be read clearly

Table 3-15. Carriage unit does not operate

Cause Check Point Yes/No Remedy
Connector CN13
and CN14 on main
board is
disconnected.
1. Connector CN13 and CN14
on main board is
disconnected? Yes
Connect the connector.
Faulty carriage
moving mechanism 1. Grease is applied properly?
No
Apply grease at designated
point
(Refer to “Maintenance” on
page-80)
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?
No
Check the carriage moving
mechanism, replace the
relevant parts or remove
and reinstall them.
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 Table3-21 “Motor
Resistance and Check Point”
(p 35)
No
Replace the CR motor
Defective main
board - - Replace the main board

Table 3-16. Carriage operates but error indicated

Cause Check Point Yes/No Remedy
Upper case of
scanner is removed. 1. 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.

Table 3-17. Fluorescent lamp does not turn on

Cause Check Point Yes/No Remedy
Connector CN4 on
main board is
disconnected.
1. Connector CN4 on main
board is disconnected? Yes Connect the connector CN4
on the main board.
Connector of CCD
module is
disconnected.
1. Connector of CCD module is
disconnected? Yes Connect the connector on
the CCD module.
Fluorescent lamp is
not set correctly in
connector on
inverter board.
1. Fluorescent lamp is not set
correctly in connector on
inverter board? No
Set the lamp correctly on
the inverter board.
Defective lamp 1. Lamp turns on after
replaced? Yes Replace the CCD module.
Defective inverter
board 1. Inverter board is normal after
replaced? Yes Replace the CCD module.
Defective main
board - - Replace the main board.

Table 3-18. Picture can not be read clearly

Cause Check Point Yes/No Remedy
Dirt on mirror inside
CR unit 1. Picture can be read clearly
after mirror is cleaned? No Clean fluorescent lamp
surface.
Defective CCD
module - - Replace the CCD module.
Defective main
board --
Replace the main board.