Epson SQ-B50/2550 Technical Manual page 225

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3. Printing error occurs (in self-test)
Set the adjust lever
in the carrect position
and execute self-test.
REV.-A
Is pr int qual ity
~
bad?
(a specified
dot is missing or
print density
is incorrect . )
Yes
Clean the ink path
and re ink.
(Refer
to Section 3.1.2.)
Yes
No
No
No
Is each
<;
connector on the
SEIMA board
connected
correctly?
Yes
Execute the adjustment
for pr inthead slant
and Bi-d print.
Replace the pr inter
mechanism.
No
No
Connect each connector
correctly.
Yes
END
END
No
Replace the SEIMA
board.
Figure
5-3.
Unit Replacement-3
5-5

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