Panasonic KX-F900 Service Manual page 28

f..... KX:-F'O0 ....... I
(6) Black or white vertical lines appear.
I Please copy the test chart.
NO_ YES
Cleaning feed route.
Replace white plate,
CCD unit etc.
NO
To thermal head section.
(page 84)
Please the white plate and target glass thoroughly.
If the dirt cannot be removed, change the white plate.
-_ END
To digital board section.
(page 54)
OK
END
28