thermal-printer

问题 I try to print image on tsc tdp-225 printer using the android device via OTG. This is example from documentation for printing simple bitmap image on tsc printer . This is my implementation . And this is what the printer has printed Maybe someone has already encountered this problem. Printing a monochromatic bitmap using PUTBMP also does not work. 回答1: fun String.hexStringToByteArray(): ByteArray { val hexStr = this.replace("-", "") var result = ByteArray(hexStr.length / 2, {0}) for(i in 0

问题 Printer Model: Epson TM-T88V ESC/POS Command Guide (look at P.115): http://download.delfi.com/SupportDL/Epson/Manuals/TM-T88IV/Programming%20manual%20APG_1005_receipt.pdf I've searched so many posts about this funcionality but still can't find a solution to print Chinese properly. Below is the code I've tried so far (still prints garbles text): Socket socket = new Socket("192.168.1.111", 9100); //one socket responsible for one device PrintWriter printWriter = new PrintWriter(socket

问题 Are PWA functionality (service-worker) can help or there no way to do that? 回答1: This document contains a sample program that prints easily using the socket interface in C language. UB-E04 Technical Reference Guide It seems that the equivalent can be implemented using JavaScript WebSocket. This article is available in both Japanese and English, and both provide examples of using WebSocket easily from vanilla JavaScript. 5分で動かせるwebsocketのサンプル3つ / WebSocket Tutorials Introducing WebSockets:

问题 I have an application that communicates with a thermal printer in Java and makes the thermal printer print receipts with a barcode/emphasis/different sizes and so forth using a Star tsp 100 Printer. I can make the program print exaclty what i like but the printer is very slow. I believe the reason is that I am using non-preferable way/method of sending the byte commands. public static void Command(byte[] bytes) throws Exception{ //The bytes array is the argument, consisting of a byte[] array

问题 I already implemented EPSON SDK(for Bluetooth) and working fine, but not Working on other printers, is there is any general way to accomplish it. what is ESC command, How it works?, 回答1: Please find this one.It will help your problem. ESC/POS Command Reference provides detailed information on ESC/POS commands, such as standard command syntax and protocol. It targets programmers who want to control the printer with ESC/POS commands. ESC/POS Command Reference is provided as replacement of ESC

问题 I already implemented EPSON SDK(for Bluetooth) and working fine, but not Working on other printers, is there is any general way to accomplish it. what is ESC command, How it works?, 回答1: Please find this one.It will help your problem. ESC/POS Command Reference provides detailed information on ESC/POS commands, such as standard command syntax and protocol. It targets programmers who want to control the printer with ESC/POS commands. ESC/POS Command Reference is provided as replacement of ESC

问题 I've build a POS (Point of Sale) application in PHP that can print directly to a thermal printer. In most cases i run the application on a local webserver using WAMP. Part of the printing code is: $printer = "\\\\localhost\\TM-T88V"; // Open connection to the thermal printer $fp = fopen($printer, "w"); if (!$fp){ die('no connection'); } $data = " PRINT THIS "; // Cut Paper $data .= "\x00\x1Bi\x00"; if (!fwrite($fp,$data)){ die('writing failed'); } This code works fine as long as the PC is

问题 i'm currently using epson ePOS SDK for android. i need to print the receipt that menu name align to the left and its price align to the right in the same line but it doesn't work properly, my temporary solution is add some feed line to make its price align right, is it possible to have both text align left and right in the same line ? (Attachments below and please ignore question mark symbols) mPrinter.addTextAlign(Printer.ALIGN_LEFT); mPrinter.addFeedLine(0); textData.append(menuName);

问题 I've got a Epson Thermal printer, model TM-T20 which I'm setting up for clients. Our webserver is a linux server, and the client machines will be Windows machines. Is it possible with php, to directly control the thermal printer attached to the clients computer? I have looked at javascripts window.print(), but that is not what I want, if possible I want to bypass the print dialog. Thanks, Tony 回答1: No. PHP has absolutely nothing to do at all with the client's printer. If the printer was

问题 What is the best way in Java to print a gif given as byte[] or ByteArrayInputStream on a paper with a size of 4x6 inches? This: PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet(); aset.add(new MediaSize(4, 6, Size2DSyntax.INCH)); aset.add(new Copies(1)); PrintService[] pservices = PrintServiceLookup.lookupPrintServices(DocFlavor.INPUT_STREAM.GIF, aset); DocPrintJob printJob = pservices[0].createPrintJob(); Doc doc = new SimpleDoc(sap.getGraphicImageBytes(), DocFlavor.INPUT