How to disable the on-screen keyboard on a Newland EA320
On Newland EA320 Android handhelds, the on-screen keyboard pops over the POS app. Use StageGO to disable the Gboard package and reboot.
How to adjust print density on an Epson TM-T20IV
Faded receipts on a TM-T20IV are usually a density mismatch. Adjust the heat setting using only the feed button — no drivers, no software, no cables.
How to install the Windows driver for the Urovo K329
Pair the K329 over Bluetooth and bind the Urovo Seagull driver pack so Windows can actually print to it. Full install walkthrough for Windows 10 and 11.
How to connect a cash drawer to a receipt printer
Connect an RJ11 or RJ12 cash drawer to a receipt printer and configure the Windows printer driver to open it when a receipt prints.
How to add STX prefix and ETX suffix to a Honeywell scanner
Wrap scanned data in STX/ETX ASCII control characters by scanning Honeywell programming barcodes — for legacy POS or industrial controllers that expect framed input.
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