Python library for EPSON thermal printers

A python library to control thermal printers based on the ESC/POS language as defined by Epson.

Installation

Clone the project

git clone https://github.com/benoitguigal/python-epson-printer.git

Install dependencies

cd python-epson-printer
sudo python setup.py install

Connect your EPSON thermal printer via a USB port and run

lsusb
Bus 001 Device 005: ID 04b8:0e03 Seiko Epson Corp.

Write down the vendor_id and the product_id and pass them as arguments to the test page

sudo python -m epson_printer.testpage -v 0x04b8 -p 0x0e03

Devices

The library should work with all ESC/POS-based Epson printers but it has only been tested with a TM-T20. If you have tested the library with a different model, please add it to the list of supported printers

ESC/POS commands

Print commands

• print text
• feed lines

Character commands

• Left, right or centered justified
• Bold ON/OFF
• Underline ON/OFF
• Font size

Bit image commands

• print arbitrary long bitmap pixels array

Hardware commands

• full paper cut

Credits

• python-escpos code on google
• sending-a-bit-image-to-an-epson-tm-t88iii-receipt-printer-using-c-and-escpos blog post