Epson TM-FX2180 Service Manual page 36

EPSON FX-2180 Service Manual
2-2. Abnormal Paper Feeding
START
When paper is
NO
loaded, is it ejected
automatically?
YES
Is CN7
NO
connected
Connect CN7.
properly?
YES
NO
Is the problem
solved?
NO
Is the FFC
cable OK?
Replace the
YES
cable.
NO
Is the problem
solved?
Does the
NO
TOP sensor work
correctly? See
Table 3-2.
Replace the
TOP sensor.
YES
NO
Is the problem
solved?
YES
Replace the main
END
board.
END
Figure 3-5. Flowchart 2-2
Does the printer load
single sheets properly, but
not load continuous
paper at all?
YES
Is CN12
NO
Connect
connected
CN12.
properly?
YES
YES NO
Is the problem
solved?
END
YES
END
Does the
NO
Replace the
release sensor work
release
correctly?
sensor.
YES
YES
Is the
NO
problem
END
solved?
YES
Replace the
main board.
END
END
3. Abnormal Power Operation
START
NO
Does the Operate
button turn the printer
on and off?
YES
Is CN7
NO
Connect CN7.
connected
properly?
YES
NO
Is the problem
solved?
YES
END
Is control panel Connect the
NO
FFC connected cable.
correctly?
YES
NO
Is the problem
solved?
Check the FFC
using a multimeter.
END
NO
Is the FFC
OK?
Replace the FFC.
YES
NO
Is the problem
solved?
YES
Replace the main
board.
END
END
Figure 3-6. Flowchart 3
Chapter 3 Troubleshooting
Check the Operate button
on the control panel using
a multimeter.
Is the Operate
NO
Replace the control
button working
correctly?
YES
NO
NO
Is control panel
FFC connected
correctly?
YES
NO
Is the problem
YES
Check pin 19 of the FFC.
NO Replace the
Is FFC
OK?
YES
Is the problem
solved?
NO
Replace the power
supply board.
END
panel board.
Is the problem
solved?
YES
END
Connect the
cable.
solved?
YES
END
FFC.
YES
END
3-6