Brother TD-4100N - Manual (Page 16)

Bitmaps, bar codes, downloaded images
These types of image data are treated in the same way as characters and are printed with
the bottom edge of the image aligned with the baseline.
Same line
・ Characters and images are considered to be on the same line, even if tabs are inserted.
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・ Horizontal movement to the right between characters or images is regarded as being on
the same line, however horizontal movement to the left is regarded as being on separate
lines if wrapping occurs.