★★★★★
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1 when rotating printing is selected, the preview content rotates synchronously. 2 add the calibration label paper function at printer connect activity.
1 PDF and picture printing can be selected 2 interceptable print area 3 print direction can be specified 4 automatic recognition of print width 5 Real time display of printer status 6 support compression algorithm 7 automatic selection of Bluetooth data transfer protocol 8 Optimize the reprint logic. If the printing fails, it will be reprinted after the state is restored and stable.