Brother PT-9700PC - Manual (Page 63)

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・ There are limits on the amount of image data that can be stored on the main unit. The
storage capacity for PT-9800PCN is 6,784 KB, and the capacity for PT-9700PC is 2,048
KB. However, bitmap data is not stored as is, but is converted into the printer storage
format by Transfer Manager.
・ Image data larger than the media size is handled by deleting the portion of the image that
does not fit within the media.
Even with the same image data, the portion that would be deleted differs depending on
the media orientation at the time.