Epson SQ-B50/2550 Technical Manual page 218

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REV.-A
c
Load the paper.
Press the ON LINE switch.
Print five patterns in the LO
mode.
Select the pattern in
whitch vertical misalignment
is the smallest, and input
the value of that pattern.
I
DATA IN
I
When the value is negative (-):
is positive (+):
Press the MICRO FEED "7
switch the number of times
corresponding to the value.
Press the LOAD/EJECT switch.
Three patterns are printed:
The pattern selected above, its
pattern value
+
1, and its value -1.
Confirm that
vertical misalignment is still the
smallest in the selected pattern.
Press the LOAD/EJECT switch
(check printing in the
Draft and high speed modes.)
RETURN
Press the MICRO FEED
.6.
switch the number of times
corresponding to the value.
Select the pattern
whitch has the least
vertical misalignment among
the above three patterns.
Input the pattern data again.
Since alignment is
based on the LO characters,
aliment in the Draft and
high speed printing modes is
based on a calculated value.
Therefore, if you are not
satisfied with the alignment
in the Draft or high speed
mode, repeat the adjustment
and input another correction
value.
Figure 4-68. Bidirectional Printing Adjustment
4-56

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