Epson Stylus CX3100 Service Manual page 29

EPSON Stylus CX3100/3200
Observation
Faulty paper ejection Paper is jammed on the
way of paper ejection.
Paper is ejected without
being printed.
Printer stops during Printer error is indicated.
initialization
Troubleshooting
Table 3-4. Printer Mechanism Repair (continued)
Condition Cause
Faulty installation of Star
Wheel Roller
Faulty operation of Paper
Eject Roller
Faulty HP/PE sensor
Faulty PE sensor
Faulty CR HP sensor
Head FFC is not connected
properly.
Faulty CR motor
Faulty PF motor
CR lock is not undone.
Troubleshooting for Printer
Check Point
Check that Star Wheel Roller is set on paper
eject frame.
Check whether Paper Eject Roller rotates
correctly.
Check whether CN4 Connector is not
disconnected from HP/PE sensor cable on main
board or sensor.
Check PE sensor signal level.
(Refer to Table 3-14, "Sensor Check," on
page 33)
Check CR HP sensor signal level.
(Refer to Table 3-14, "Sensor Check," on
page 33)
Check whether Head FFC is connected properly. Connect the Head FFC
Check whether CR motor cable is connected
properly.
Check whether the internal coil resistance is just
as specified and whether the harness is connected
See
properly. Table 3-13, "Motor Resistance
and Check Point," on page 33.
Check whether PF motor cable is connected
properly.
Check whether the internal coil resistance is just
as specified and whether the harness is connected
properly. See Table 3-13, "Motor Resistance and
Check Point," on page 33.
Check whether no gear is damaged in the PF
motor torque transmission route.
Revision A
Remedy
Remove the jammed paper, set the Star
Wheel Roller in the paper eject frame
steadily.
If the hook of the Hook Roller is
damaged, replace it with a new one.
Check whether the gears for driving the
Paper Eject Roller are engaged
correctly.
Connect CN4 connector cable to CN4
on the main board.
Replace HP /PE sensor with a new one.
Replace the PE sensor
If there is no problem with cable
connection, replace the CR motor.
Replace the CR motor.
If there is no problem with cable
connection, replace the PF motor.
Replace the printer mechanism or PF
motor.
Replace the damaged gear with a new
one.
29