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Questions tagged [epos]

29 questions
5
votes
1 answer

Raw printing with Electron app

I want to create a electron app that support raw printing. Any suggestion about a library or path that I can take will be appreciated.I did a little bit of research but nothing seems to be up to date. I want to get all the printers availables and…
Julio Guerra
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Epson ePOS2 printer ignores connection timeout

I try to print to an Epson bluetooth printer, using their ePOS android SDK (I use the v.2.11.0) Printing works, but I need to reduce the connection timeout. I call the connect function like this: mPrinter.connect("BT:00:01:...", 3000); However,…
Eino Gourdin
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Convert EPOS to ESC/POS c#

i'm developing a software in C# that handles EPOS printing requests to any printer. As most of printers in market are able to print in ESC/POS, my goal is to convert EPOS to ESC/POS and print. Any idea how or acknowledge of some framework to convert…
Daniel Novo
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3
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0 answers

Epson ePOS SDK checking for printer status real-time

How do I check for epson receipt printer status in real-time? Currently, I am using a scheduled timer to run the Epos2Discovery.start every 10 seconds to check for printer availability. printerCheckTimer = Timer.scheduledTimer(timeInterval: 10,…
Clinton
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3
votes
1 answer

Error connection to Epson TM-T20II

I have some problems setting up my Epson TM-T20II POS printer. My goal is to be able to have a webpage on an external hosted webserver and print from that webpage some php code to my POS printer. I downloaded the ePOS SDK JavaScript (v2.6.0)…
Sven Daems
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3
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1 answer

Epson ePos javascript with USB cable

Is it possibile to use Usb printer with Epson ePos Javascript SDK? Or is it only for ethernet/wireless model? I hope to find an utility to convert a usb printer to a network listening printer to recycle all my usb printers.
Tobia
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We are using Epson.Xamarin.Android package and getting error after Run Exception of type 'Epson.Xamarin.Android.Epos2.Epos2Exception' was thrown

var printer = new Printer(Serie.TmM30, Model.Chinese, BaseContext); printer.Connect("192.168.2.11", 9100);                 printer.AddText("Hello, world!\n"); printer.AddText("This is a sample text.\n"); printer.AddText("Thank you for using Epson…
Kiran Khalkar
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2
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1 answer

Epson ePos Javascript SDK: TM-P80 not working over HTTPS

I've build an intergration between our online software to Epson EPOS printers. (epos-2.22.0.js) I have successfully connected serveral printers such as tm-t88vi. I've solved much of the SSL problems with generating custom SSL certificates with…
Jeroen Ruissen
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Can I emulate Epson Thermal POS printer?

I am working on a Xamarin mobile app and I need to develop print functionality for Epson Tm-T88 Thermal POS Printer and similar printers. I am using ePOS SDK for this and trying to write wrapper code for Xamarin since it is native Android SDK. Since…
Kartoos
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2
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1 answer

How to directly print to network thermal printer using javascript?

I have a requirement at work to create a pos service to print receipt to a thermal printer using javascript. The target printer is epson Tm-m30. I generated html page with receipt details and tried printing using window.print() but we don't want…
Radhika Gokani
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2
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2 answers

Use a multidimensional array of strings to write to file

I'm trying to develop a simple EPOS system that records inventory and processes transactions. At the moment I want it to write the contents of my arrays (Product, Price, Size, Stock Level) to file using Streamwriter as well as a random date at the…
TheUnawarePenguin
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2
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0 answers

Android - Print To Epson Tm-M30 failing without errors

The below code build without any errors, also i did all configuration successful, While run the application in mobile does not connect to printer it is return erros, fine. But when i run it in the connected Tablet with the same network with Epson…
Ikrami Hall
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Epson Tm-30 epos Printing using javascript Issue with connection timeout in web app

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…
Harshul Patel
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Epson epos javascript sdk connection error when printing - TM T82III

Using Epson epos javascript sdk, getting "Connection Refused" error if the printer ip address is not opened in the browser url. Once it is opened receipt printing will work for the day, the next day when I try to print the Connection Refused…
Lekshmi
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1 answer

EPSON T20iii ePOS JavaScript SDK timeout issue (possible SSL issue)

I have just started using EPSON JavaScript SDK for printing over LAN, and for the most part, it works very well. I have only one issue that is bugging me. After a period of time, approximately few days apart, I get a timeout error, and printer won't…
Milos Mijatovic
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