EPSON Stylus CX3100/3200 Revision A
Troubleshooting Troubleshooting for Scanner 31
Table 3-8. Carriage unit does not operate
Cause Step Check Point Yes/No Remedy
Connector
CN11 on main
board is
disconnected.
1
Connector CN11 on main
board is disconnected?
Yes
Connect the connector.
Faulty carriage
moving
mechanism
2
Grease is applied
properly?
No
Apply grease at
designated point
(Refer to
“Maintenance” (p.74))
3
• 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.
Faulty CR
motor
4
Disconnect connector
CN7 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 3-13, “Motor
Resistance and Check
Point,” on page 33
No
Replace the CR motor
Defective main
board
5 - -
Replace the main board
Table 3-9. Carriage operates but error indicated
Cause Step 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
2 - -
Replace the main board.
Defective CR HP
sensor
3--
Replace the CR HP
sensor.
Table 3-10. Fluorescent lamp does not turn on
Cause Step Check Point Yes/No Remedy
Connector
CN1 on main
board is
disconnected.
1
Connector CN1 on main
board is disconnected?
Yes
Connect the connector
CN1 on the main
board.
Connector of
CCD module is
disconnected.
2
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.
3
Fluorescent lamp is not
set correctly in connector
on inverter board? No
Set the lamp correctly
on the inverter board.
Defective lamp
4
Lamp turns on after
replaced?
Yes
Replace the CCD
module.
Defective
inverter board
5
Inverter board is normal
after replaced?
Yes
Replace the CCD
module.
Defective main
board
6 - -
Replace the main
board.
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