Allow integrated printer with you site! You can easily print texts and images from your phone. App also work as print service (standart printing).

To print the text it is enough to place a special type of link on the site:
a href = "rawbt:Hello%20world!%0A%0A" - Sheme rawbt
a href = "test.txt" - link to text file
a href = "rawbt:base64G0A...."> - Binary raw data printing
see more at http://rawbt.402d.ru/app2/

Available additional functionality:
Android >= 4.0: Print plain text & images
Android >= 5.0: Print PDF work as Print Service

Support printer connection types :
Bluetooth WiFi / Lan USB (requred harware with OTG).

Support printer models with epson esc/p command subset. App used:
ESC @ - initialize
ESC t - Switch character table
GS v 0 - Print an image using the older "bit image" command.