A proprietary POS printer command system from EPSON.
A proprietary POS printer command system from EPSON.
Questions tagged [escpos]
320 questions
0
votes
1 answer
Print bitmap full page width using ESC/POS
I am currently implementing Android PrintService, that is able to print PDFs via thermal printers. I managed to convert PDF to bitmap using PDFRenderer and I am even able to print the document.
The thing is, the document (bitmap) is not full page…
Filip Matys
- 185
- 3
- 12
0
votes
1 answer
ESC/POS Bitmap Data to Image
We can convert an image to a byte array for sending to ESC/POS printer.
I use the code here: https://stackoverflow.com/a/14099717/1853275
it works like charm.
simple question: is it possible to convert this byte array back to original image?
if…
XeeChaun
- 57
- 1
- 7
0
votes
1 answer
Java - printing non-latin characters on Android app
I have an Android app and I'm trying to use a bluetooth printer to print some text. The problem is that I cannot print correctly any non-latin character.
I have this code:
public void printTaggedText() throws IOException {
try {
…
Alexandru Pufan
- 1,842
- 3
- 26
- 44
0
votes
1 answer
Permissions when using escpos in virtualenv
Using Debian, Install escpos, to be able to print on an Epson TM-T20II printer, and I have an application on python3. The problem I have is when I send to print it generates the following error:
File…
jhon1946
- 183
- 10
0
votes
1 answer
How to add escpos-php in magento?
I am working with magento 1.9. I want to use the escpos-php driver to print our invoices to the usb thermal printer. I have kept the escpos-php libraries in the root directory of my magento installation. In a custom module of magento, I have…
Velu narasimman
- 543
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0
votes
1 answer
Reverse Bit Order Python? ESC/POS DLE EOT Printer status escpos
I am having issues decoding DLE EOT 1
im thinking its the bit order and the lack of leading zeros
import serial
x = 1
while x:
time.sleep(3)
ser.write("\x10\x04\x01".encode())
bytesToRead = ser.inWaiting()
data = ser.read(bytesToRead)
…
Jeffrey Worsley
- 3
- 3
0
votes
0 answers
How to print a converted text to image with thermal printer using ESC/POS in C#
I need to print a currency symbol with a thermal printer using ECS/POS. The currency symbol is not available in any of the printer's character tables. So, what I did was to convert the currency symbol and the amount text to an image which is…
Topa
- 19
- 5
0
votes
0 answers
ESC POS not printing whole text?
I am working on ESC-POS printing systems, I can print the message using below code but it's not printing entire text.
NSMutableData* commandData = [[NSMutableData alloc] init];
[commandData appendBytes:"ESC" "@" length:0];
[commandData…
Thukaram
- 1,085
- 2
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- 33
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votes
0 answers
Does node JS support ESC POS printing?
With the help of Electron, I intend to build a cross platform desktop app using AngularJS and NodeJS as client side and server side frameworks respectively.
There is a need to be able to print receipts to a standard POS printer and also product…
Ashish Koshy
- 131
- 1
- 7
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0 answers
Difficulty implementing code 128 C rule
Code related to text encoding:
const char* toCode128C( const char* texto ) {
int tamanhoTexto = strlen( texto );
int tamanhoComando = strlen( "{C" ) + tamanhoTexto;
char* printerCodBarras = new char[ tamanhoComando ];
memcpy(…
0
votes
1 answer
Word wrap in cordova-plugin-datecs-printer
I'm doing a mobile app using ionic 1, and for printing in thermal printers I'm using the cordova-plugin-datecs-printer plugin.
Everything works ok except with the word wrapping. The printer cut words at the end of the line. Is there a way to adjust…
GalloPinto
- 667
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0
votes
1 answer
cordova-plugin-datecs-printer
I'm trying to use a termic printer Leopardo A7, and I need to print an image and a text. I already printed an image and a text, but I can't print both side by side... can anybody help me ?
I'm using:
window.DatecsPrinter.printText() to print…
Lucas Pedroso
- 46
- 4
0
votes
0 answers
Save image to NV memory of Epson PosPrinter using ESC/POS commands in c#
I am currently working on a project that involves printing to an EPSON Thermal printer from within Xamarin.Forms targetting Android.
I have bound the Epson Android SDK into a Java binding for forms and can print to the printer using that.
However…
Mark Lowe
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- 3
0
votes
1 answer
Errrno 32 Pipe error, escpos python2
I need to test an Epson POS printer, TM-U220PD.
I have it connected by a Parallel converter to my laptop.
It's completely installed, but when I test it with python escpos shows me the following error:
Traceback (most recent call last):
File…
RooYnnER
- 23
- 3
0
votes
1 answer
Unable to use ESC-POS in php
I have a TM-T88IV printer in my network. There are already 2 PCs connected to it and working fine. I added another PC to the network and added the printer on it with the 'generic/text only' driver. I used the following code to print to the printer…
Karan Gupta
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