Restrictions - Epson TM-T88V User Manual

Restrictions

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A communication API (p.40) and command transmission/reception API (p.101) in the ePOS Print APIs
cannot be used for the same device at the same time.
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A maximum of 16 device ports can be opened in the same application at the same time.
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More than one port cannot be opened for the same device at the same time.
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When the screen display rotates, Activity may be discarded. To retain a Print instance using Activity,
closePrinter of the Print class should be called before Activity is discarded.
Chapter 1 Overview
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