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EPSON FX-2180 Service Manual Chapter 3 Troubleshooting
3-5
1. Abnormal Carriage Operation
START
When you turn on
the printer, does the CR
motor rotate?
Is CN11 connected
properly?
Connect CN11.
Check the CR motor
coil resistance.
See Table 3-3.
Is the problem
solved?
Does the CR motor
stop during or after
initialization?
END
Is it OK?
NO
YES
NO
YES
YES
NO
Replace the main
board.
Replace the CR
motor.
NO
NOYES
When you
move the CR by hand
with the printer off, does
it move freely?
YES
Is the platen gap
adjusted properly?
Is CN4 connected
properly?
END
Adjust the platen gap.
See Chapter 5.
Replace the oil pad on the
carriage unit. Clean and
lubricate the CR shaft.
Is the problem
solved?
END
Connect CN4.
Is the problem
solved?
END
Does the HP sensor
work correctly?
See Table 3-2.
Replace the
HP sensor.
Is the problem
solved?
Is the resistance of
the CR motor correct?
See Table 3-3.
A
Replace the
CR motor.
Is the problem
solved?
Replace the main
board.
END
A
YES
NO
NO
YES
YES
NO
YES
END
NO
NO
YES
YES
NO
NO
END
YES
NO
NO
YESYES
Figure 3-3. Flowchart 1
2-1. Abnormal Paper Feeding
START
END
Does the PF
motor rotate?
Is CN10
connected
properly?
Connect CN10.
Is the problem
solved?
Is paper
ejected automatically
when you turn on the
printer?
See Flowchart
2-2.
Does a paper out
error occur after the
paper is ejected?
Is the resistance of the
PF motor coils correct?
See Table 3-3.
Replace the PF
motor.
Replace the
main board.
Is the problem
solved?
NO
NO
YES
NO
NO
YES
YES
NO
Does the
printer indicate it is
ready after the paper is
ejected?
YES
NO
Is foreign
material stuck on the
TOP sensor?
NO
Is foreign
material jammed
between the front
or rear PE sensor
and the platen?
Are CN5 and
CN6 connected
properly?
Remove the
substance
blocking the
TOP sensor.
Does the
TOP sensor work
properly?
Is the
problem
solved?
END
YES
END
Replace the
TOP sensor.
Is the
problem
solved?
END
Replace the
main board.
Remove the
foreign material.
Is the
problem
solved?
END
YES
Do the
front and rear
PE sensors work
correctly?
YES
YES NO
YES
Replace the defective
PE sensor.
Is the
problem
solved?
END
Connect CN5
and CN6.
Is the
problem
solved?
END
Replace the main
board.
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
NO
NO
Figure 3-4. Flowchart 2-1