195 lines
10 KiB
Markdown
195 lines
10 KiB
Markdown
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# node-thermal-printer
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Node.js module for EPSON and STAR thermal printers command line printing.
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[](https://gitter.im/Klemen1337/node-thermal-printer?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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### Installation
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```bash
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$ npm install node-thermal-printer
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```
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#### Linux specific
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Linux requires build-essentials
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```bash
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sudo apt-get install build-essential
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```
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### Features
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```js
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printer.init({
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type: 'star', // Printer type: 'star' or 'epson'
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interface: '/dev/usb/lp0', // Printer interface
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characterSet: 'SLOVENIA', // Printer character set
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removeSpecialCharacters: false, // Removes special characters - default: false
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replaceSpecialCharacters: true, // Replaces special characters listed in config files - default: true
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extraSpecialCharacters:{'£':163} // Adds additional special characters to those listed in the config files
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});
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printer.isPrinterConnected( function(isConnected){ } ) // Check if printer is connected, callback passes bool of status
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printer.execute( function(err){ } ); // Executes all the commands. Optional callback returns null if no error, else error message
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printer.raw(new Buffer("Hello world"), function(err){ } ); // Print instantly. Optional callback returns null if no error, else error message
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printer.print("Hello World"); // Append text
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printer.println("Hello World"); // Append text with new line
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printer.openCashDrawer(); // Kick the cash drawer
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printer.cut(); // Cuts the paper (if printer only supports one mode use this)
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printer.partialCut(); // Cuts the paper leaving a small bridge in middle (if printer supports multiple cut modes)
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printer.beep(); // Sound internal beeper/buzzer (if available)
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printer.upsideDown(true); // Content is printed upside down (rotated 180 degrees)
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printer.bold(true); // Set text bold
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printer.invert(true); // Background/text color inversion
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printer.underline(true); // Underline text (1 dot thickness)
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printer.underlineThick(true); // Underline text with thick line (2 dot thickness)
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printer.drawLine(); // Draws a line
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printer.newLine(); // Insers break line
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printer.alignCenter(); // Align text to center
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printer.alignLeft(); // Align text to left
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printer.alignRight(); // Align text to right
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printer.setTypeFontA(); // Set font type to A (default)
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printer.setTypeFontB(); // Set font type to B
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printer.setTextNormal(); // Set text to normal
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printer.setTextDoubleHeight(); // Set text to double height
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printer.setTextDoubleWidth(); // Set text to double width
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printer.setTextQuadArea(); // Set text to quad area
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printer.leftRight("Left", "Right"); // Prints text left and right
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printer.table(["One", "Two", "Three"]); // Prints table equaly
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printer.tableCustom([ // Prints table with custom settings (text, align, width, bold)
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{ text:"Left", align:"LEFT", width:0.5 },
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{ text:"Center", align:"CENTER", width:0.25, bold:true },
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{ text:"Right", align:"RIGHT", width:0.25 }
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]);
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printer.code128("Code128"); // Print code128 bar code
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printer.printQR("https://github.com/Klemen1337/node-thermal-printer"); // Print QR code
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printer.printImage('./assets/olaii-logo-black.png', function(done){ }); // Print PNG image (uses callback)
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print.clear(); // Clears printText value
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print.getText(); // Returns printer buffer string value
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print.getBuffer(); // Returns printer buffer
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print.getWidth(); // Get number of characters in one line
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```
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### Interace options
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- `tcp://192.168.0.99:9100` - network printer with port
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- `printer:auto` - auto select raw system printer via [Printer](https://www.npmjs.com/package/printer) or [Electron printer](https://www.npmjs.com/package/electron-printer) module
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- `printer:My Printer Name` - select system printer by name via [Printer](https://www.npmjs.com/package/printer) or [Electron printer](https://www.npmjs.com/package/electron-printer) module module
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- `\\.\COM1` - print via local port or file
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### Examples
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```js
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var printer = require("node-thermal-printer");
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printer.init({
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type: 'epson',
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interface: '/dev/usb/lp0'
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});
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printer.alignCenter();
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printer.println("Hello world");
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printer.printImageBuffer(/* PNG image buffer */, function(done){})
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printer.printImage('./assets/olaii-logo-black.png', function(done){
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printer.cut();
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printer.execute(function(err){
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if (err) {
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console.error("Print failed", err);
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} else {
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console.log("Print done");
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}
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});
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});
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```
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### 2D Barcode Examples
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Example settings are the default when not specified.
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```js
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printer.code128("Code128", {
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width: "LARGE", // "SMALL", "MEDIUM", "LARGE",
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height: 80, // 50 < x < 80
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text: 2, // 1 - No text
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// 2 - Text on bottom
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// 3 - No text inline
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// 4 - Text on bottom inline
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});
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printer.printQR("QR Code", {
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cellSize: 3, // 1 - 8
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correction: 'M', // L(7%), M(15%), Q(25%), H(30%)
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model: 2, // 1 - Model 1
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// 2 - Model 2 (standard)
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// 3 - Micro QR
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});
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printer.pdf417("PDF417", {
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rowHeight: 3, // 2 - 8
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width: 3, // 2 - 8
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correction: 1, // Ratio: 1 - 40
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truncated: false, // boolean
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columns: 0 // 1 - 30, 0 auto
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});
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printer.maxiCode("MaxiCode", {
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mode: 4, // 2 - Formatted/structured Carrier Message (US)
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// 3 - Formatted/structured Carrier Message (International)
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// 4 - Unformatted data with Standard Error Correction.
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// 5 - Unformatted data with Enhanced Error Correction.
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// 6 - For programming hardware devices.
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});
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```
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### 1D Barcode Example
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```js
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var data = "GS1-128" // Barcode data (string or buffer)
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var type = 74 // Barcode type (See Reference)
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var settings = { // Optional Settings
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hriPos: 0, // Human readable character 0 - 3 (none, top, bottom, both)
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hriFont: 0, // Human readable character font
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width: 3, // Barcode width
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height: 168 // Barcode height
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}
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printer.printBarcode(data, type, settings);
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```
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### Epson Barcode Reference
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| # | Type | Possible Characters | Length of Data |
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|:--:|------------------------------|------------------------------------------------------------------------------------------|------------------------|
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| 65 | UPC-A | 0 - 9 | 11, 12 |
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| 66 | UPC-E | 0 - 9 | 6 – 8, 11, 12 |
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| 67 | JAN13 | 0 - 9 | 12, 13 |
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| 68 | JAN8 | 0 - 9 | 7, 8 |
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| 69 | Code39 | 0 – 9, A – Z, SP, $, %, *, +, -, ., / | 1 – 255 |
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| 70 | ITF (Interleaved 2 of 5) | 0 – 9 | 2 – 254 (even number) |
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| 71 | CODABAR (NW-7) | 0 – 9, A – D, a – d, $, +, −, ., /, : | 2 – 255 |
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| 72 | CODE93 | 00h – 7Fh | 1 – 255 |
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| 73 | CODE128 | 00h – 7Fh | 2 - 255 |
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| 74 | GS1-128 | NUL – SP(7Fh) | 2 – 255 |
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| 75 | GS1 DataBar Omnidirectional | 0 – 9 | 13 |
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| 76 | GS1 DataBar Truncated | 0 – 9 | 13 |
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| 77 | GS1 DataBar Limited | 0 – 9 | 13 |
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| 78 | GS1 DataBar Expanded | 0 – 9, A – D, a – d, SP, !, ", %, $, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, _, { | 2 - 255 |
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### Usage Tips
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`characterSet` may be configured with `"raw"`, so no replacement is done at all.
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### Docs
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- STAR: http://www.starmicronics.com/support/mannualfolder/starline_cm_rev1.15_en.pdf
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- EPSON: https://reference.epson-biz.com/modules/ref_escpos/index.php
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### Tested printers:
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- Star TSP700
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- Rongta RP80US
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- EPSON TM-T88V
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- Posman BTP-R880NP (Type "epson")
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