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We are using epos JavaScript 2.9.0 to connect and print receipts via our webapp from Android devices. But we are getting only connection_timeout error all the time. Sometimes though it works and is very unstable. It works fine from the connected pc .

Here is my code:

var ePosDev = new epson.ePOSDevice();
ePosDev.connect('IP address', 'PORT', callback_connect);

callback_connect's resultConnect variable always return CONNECTION_TIMEOUT

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  • Do you try to send the direct print command to your printer from webapp? Commented Oct 25, 2018 at 6:21
  • how can i do that. can you please guide me. Commented Oct 25, 2018 at 6:29
  • Is there any specific browser in which you want to run the webapp or it's open? Commented Oct 25, 2018 at 6:34
  • I have tried for crome & firefox but in both its giving same error Commented Oct 25, 2018 at 6:40
  • you can directly print from browser, only issue is, you want the dialog box or not. if not try stackoverflow.com/questions/4292373/… Commented Oct 25, 2018 at 7:26
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