Epson TM-FX2180 Service Manual page 42

EPSON FX-2180 Service Manual
Table 3-8. Repairing the Printer Mechanism (Continued)
Problem Symptom
Carriage The carriage
operation is moves slightly
abnormal. and then stops.
The carriage
moves left
(toward the
home position)
and strikes the
printer frame.
Cause Checkpoint
There is a lack Move the
of lubrication, carriage by
or foreign hand to check if
material is it moves
stuck on the smoothly.
CR shaft or oil Check the CR
pad. shaft and oil
pad to see if
they are
sufficiently
lubricated.
The HP sensor Check the
is defective. operation of the
HP sensor. (See
Table 3-2.)
Foreign Check the HP
material is sensor.
lodged
between the
HP sensor
terminals.
The HP sensor Check the
is not properly connection.
connected to
CN4.
The HP sensor Check the
is defective. operation of the
HP sensor. (See
Table 3-2.)
Table 3-8. Repairing the Printer Mechanism (Continued)
Solution Problem
Replace Printing is No image is
the oil abnormal. printed.
pad.
Remove
the CR
shaft,
clean it,
and then
The printer
lubricate
does not print
it.
certain dots.
Replace
the HP
sensor.
Remove
any
foreign
material.
Connect
CN4.
Replace
the HP
sensor.
Chapter 3 Troubleshooting
Symptom Cause
The common
wires in the
print head FFC
are dis-
connected or
there is no
continuity.
The print head
is defective.
The common
wires in the
print head FFC
are dis-
connected, or
there is no
continuity.
Checkpoint Solution
Check the Replace
common wires the print
in the print head head FFC.
FFC.
Measure the coil Replace
resistance of the the print
print head. It head.
should be
approx. 16.4 .
(See Table 3-1.)
Check the Replace
continuity in the the print
FFC. head FFC.
3-12