Brother GT-3 Series Service Manual page 79

2. Setting up GT-3 Series
8.
For [Step 5:] to [Step 6:], follow the instructions displayed on the dialog, perform a test print again, and
check whether adjustment has been performed successfully.
If the pattern is uniform at number 4, 5 or 6, and 1 right vertical bar is visible, adjustment will be complete
for that combination of Platen and Print Head.
The example below shows a good print result.
9.
The example below shows a bad print result.
If the pattern is uniform at numbers other than 4 to 6, the printed image is displaced in the up, down, left
or right directions (The Platen height may be too low.), and 2 right vertical bars are visible, readjustment
is necessary. Check whether the Platen height is [A], and the paper is flat.
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GT-3 Series