2. Abnormal Paper Feed Operation 2-1
Continuedfrom
flowchart2.
NO
YES
Is
CN7
connected
correctly?
YES
NO
When
paperis loaded,
isit ejected
automatically?
YES
Is
cut-sheet
paperloaded
correctly,but continuous
papernot loaded
atall?
ConnectCN7
correctly.
Isthe
problem
corrected?
NO
END
YES
Is
theFFC
cable
OK?
NO Replacethe
cable.
YES Isthe
problem
corrected?
NO
END
YES
Does
thePW
sensorwork
correctly(see
Table5-2)?
NO Replacethe
sensor.
YES Isthe
problem
corrected?
NO
END
YES
END
Replacethe C166
MAINboard.
Is
CN12
connected
correctly?
YES
NO ConnectCN12
correctly.
Isthe
problem
corrected?
NO
END
YES
YES
Does
therelease
sensoroperate
correctly(see
Table5-2)?
NO Replacethe
sensor.
Isthe
problem
corrected?
NO
END
YES
Replacethe C166
MAINboard.
END
Figure 5-4 Flowchart 2-1
FX-2170 Service Manual Troubleshooting
Rev.A 5-7