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