Panasonic KX-FT21BX

TROUBLESHOOTING GUIDE
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KX-FT21LA
(6) Black or white vertical lines appear.
Please perform the print
test (page 88).
Do lines appear?
Clean the feed route.
Clean the white plate and target glass thoroughly.
Do lines appear?
Replace the white plate,
CIS unit, etc.
Go to the read digital board
section. (page 59)
OK?
END
Replace the thermal head.
YES
YES
NG
NO
NO
OK
END