Stack Overflow
Stack Overflow

Questions tagged [escpos]

A proprietary POS printer command system from EPSON.

A proprietary POS printer command system from EPSON.

320 questions
3
votes
0 answers

How to print to locally connected thermal printer from shared hosting without opening print dialogue

I am working on Laravel pos software in which there is a receipt printer module. I used escpos-php from GitHub it works perfectly on localhost because it uses kernel mode to send the print to USB connected thermal printer. But when I deployed on…
extrovertixcyber
  • 31
  • 2
3
votes
3 answers

How to print Arabic letters with thermal printer using Flutter esc_pos_printer library?

I'm using a printer: EPSON TM-m30 I'm currently using : esc_pos_printer: ^4.0.3 esc_pos_utils: ^1.0.0 When I run this code printDemoReceipt(NetworkPrinter printer) async { printer.text('ا ب ت ث ج ح خ د ذ ر ز س ش ص ض ف ق ك ل م ن ه و ي'); …
xSuperMu
  • 374
  • 2
  • 5
  • 16
3
votes
1 answer

Convert raster byte[] image data to column Format in C#

I'm trying to convert a byte array from an image that is in Raster format, which reads from left to right, to Column format, which reads from top to bottom. The problem looks simple, we have two-dimensional array of bits (width/height of image). In…
YZahringer
  • 128
  • 1
  • 7
3
votes
1 answer

ESC/POS Commands Explained

I am building an app that prints out a receipt using a bluetooth thermal printer.I am able to connect and print using the printer but I can't figure what all these ESC/POS commands mean. The printer prints my text white on a black background and I…
spongyboss
  • 8,016
  • 15
  • 48
  • 65
3
votes
0 answers

ESC / POS printing ignores the first few commands. Using nodeJS

I've been struggling with this for a while. I'm trying to print using ESC / POS commands directly to a thermal printer. I'm sending the data from node, using either the node-printer module: https://www.npmjs.com/package/printer or the ipp…
Michael Beeson
  • 2,840
  • 2
  • 17
  • 25
3
votes
1 answer

Printing PDF doc to esc/pos Thermal printer

We are developing a POS APP using xamarin.forms, in that we need to print the receipt to an esc/pos thermal printer connected via LAN. We have multi language support with the App, printing multiple language with the esc/pos commands by changing…
Gireesh
  • 45
  • 1
  • 5
3
votes
0 answers

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
  • 71
  • 5
3
votes
2 answers

Logo image doesn't get center aligned in the receipt printer

Printer doesn't take the alignment of the image in to account. The logo is always left aligned by default. Text gets aligned with no problem. So there is nothing wrong with the aligncenter() method .When I set the alignment inside the while loop, a…
Sarah
  • 45
  • 7
3
votes
1 answer

libusb, pyusb and python-escpos on a windows machine

I am trying to work with Epson POS TM-82 printer on windows 7 (64 bit). I have installed the printer's driver. I have python 2.7.15 (64 bit) installed. To work with python I am using this package, python-escpos. After I have installed python-escpos,…
Kakar
  • 5,354
  • 10
  • 55
  • 93
3
votes
1 answer

"[Errno 13] Access denied" when connecting to USB

So I have been following these documentations so that I can print on my thermal printer through python. I am running Ubuntu and have the pyusb module installed. The printer is a Rongta RP58, and it's idVendor and idProduct were found through the…
Petros
  • 33
  • 1
  • 4
3
votes
1 answer

JAVA ESC Pos upload NV graphic to printer

Using Esc/Pos, I want to upload a bitmap image to the NV graphics memory on a printer. I'm using GS ( L / GS 8 L of the Esc/Pos manual. I'm able to use and to delete all or one of the graphics. I know I'm…
Cheese Bread
  • 2,246
  • 1
  • 13
  • 14
2
votes
0 answers

Flutter windows application with printing causes low memory issue

We developed a Flutter windows desktop application for POS machines. One of the main feature is printing bills. We used https://pub.dev/packages/esc_pos_printer library which prints but, after printing 100+ bills the windows shows low memory alert…
ben10
  • 180
  • 4
  • 15
2
votes
1 answer

How to print QR Image in thermal printer using flutter

I am using flutter blue and flutter_esc_pos_utils I can print text but not images or QR. I wanna print Image(which is a QR CODE) that I have already generated. Even with provided example in their documentation I didn't able to print QR here is my…
pranshul
  • 31
  • 1
  • 7
2
votes
1 answer

How to declare size in qz-tray Esc/pos rawprinting?

i'm Using qz-tray raw printing ESC/POS. i can't set Size of the Image data.. How to set size(width and height) of the image format without affect other data.? code: var config = qz.configs.create("Printer Name"); var data = [ { type: 'raw',…
Bot coder
  • 75
  • 4
2
votes
0 answers

qz-tray Esc/pos Qr code not Generating, how to fix this problem?

i've Just copy the qz-tray ESC/POS qr code program. qz-tray esc/pos qrcode printer works perfectly and connection also done successfully. But qr code is not generated. printer print Like this... 1P0https://qz.io 1A11C 1E0 printer print this…
Bot coder
  • 75
  • 4
1
2
3
…
21 22