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I
Does the paper out?
YES
I
heck paper sensor
(PS904).
(Refer to page49.)
I
I Is the paper feed OK?
I YES
I
CopyOK?
f NO
YES
[
KX-r i zuu
I
N_
Check motor drive operation.
(Refer to page 50.)
Check paper top _ensor
(PS902)
Check paper out sensor
(PS905)
I
"l
Perform the printer test.
OK
[
END
I
Check read section.
(Refer to page 51.)
Check thermal head.
(Refer to page 55.)
Note 1) Check cover open sensor (SWl)
L
Is the voltage at pin 47 of IC401
4-5 V when cover close, and 0 V
when cover open?
NO
YES
Check the motion ot sensor lever.
I OK
END
/
NG
Replace lever.
]
Check the solder at pin 47 of
IC401
OK I
NG
k
[
l
Replace SWl.
Replace IC401.
]
-47-
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