Epson fx-2180 Service Manual page 41

FX-2180 Service Manual
Table 3-17. Repairing the Printer Mechanism (Continued.)
Problem Symptom
Printer is No image is
abnormal. printed.
The printer does
not print
particular dots.
Printing is
uneven on the
both edges of
the column.
The printing
result is too
light.
Rev. A
Cause Checkpoint
Common Check the
wires in the common
printhead wires in the
FFC are printhead
disconnected FFC.
or there is no
continuity.
The Measure the
printhead is coil
defective. resistance of
the printhead
: Approx.
16.4Ω (Refer
to Table 3-1.)
Common Check the
wires in the FFC for
printhead continuity.
FFC are
disconnected
or there is no
continuity.
Platen Check the
parallelism is platen
not adjusted parallelism.
properly. (Refer to
Chapter 5.)
The Check if the
printhead is tip of the dot
failure. wire is worn.
The platen Check the
gap is too platen gap.
wide. (Refer to
Chapter 5.)
Table 3-18. Repairing the Printer Mechanism (Continued.)
Solution Problem
Replace Paper
the feed is
printhead abnormal.
FFC.
Replace
the
printhead.
Replace
the FFC.
Adjust
platen
parallelism
.
Replace
the
printhead.
Adjust
platen gap
properly.
Symptom Cause
PF motor dose PF motor is
not rotate at defective.
all.
CN10 is
disconnected
from the main
board.
Rear or Front
PE detector is
defective.
Rear or Front
PE detector is
not mounted
correctly.
The printer A foreign
only ejects object is
paper sticking to
automatically TOP detector.
when it is TOP detector
turned on, and is defective.
enters READY
status.
Troubleshooting
Checkpoint Solution
Measure the Replace
coil PF motor.
resistance of
PF motor :
Approx.
16.1Ω (Refer
to Table 3-4.)
Check CN10. Connect
CN10
correctly.
Check rear or Replace
front detector. the
(Refer to detector.
Table 3-
2,Table 3-2)
Check the Mount the
mounting detector
position. into
proper
position.
Check TOP Remove it
detector. if the
object is
sticking.
Check TOP Replace
detector. TOP
(Refer to detector.
Table 3-2.)
3-13