Epson FX-2170 Service Manual page 128

FX-2170 Service Manual
2. Abnormal Paper Feed Operation 2-1
Continued from
flowchart 2.
When
paper is loaded,
NO
is it ejected
automatically?
YES
Is
CN7
NO
connected
correctly?
YES
NO
Is
the FFC
NO
cable
OK?
YES
NO
Does
the PW
NO
sensor work
correctly (see
Table 5-2)?
YES
NO
Replace the C166
MAIN board.
END
Rev.A
Connect CN7
correctly.
Is the
YES
problem
corrected?
END
Replace the
cable.
Is the
YES
problem
corrected?
END
Replace the
sensor.
Is the
problem
corrected?
YES
END
Figure 5-4 Flowchart 2-1
Is
cut-sheet
paper loaded
correctly, but continuous
paper not loaded
at all?
YES
Is
CN12
NO
connected
correctly?
YES
NO
Does
the release
NO
sensor operate
correctly (see
Table 5-2)?
YES
NO
Replace the C166
MAIN board.
END
Troubleshooting
Connect CN12
correctly.
Is the
problem
corrected?
YES
END
Replace the
sensor.
Is the
problem
corrected?
YES
END
5-7