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Welcome to the INTPRN wiki!

See the website at https://ut.github.io/INTPRN for more general informations about the project and a basic description of the hardware setup.

Here are some more detailed informations on some aspects of the setup.

Printer

ZJ 58mm Thermal/POS-Printer USB

• Model ZJ-5890T (194mm L x 133mm B x 144mm H)
• Linux printer driver
• The PPD will not work with CUPS, use this alternative PPD instead

Printer paper

Thermal paper without BPA

Raspberry Pi

OS Installation

• Get an raspbian image OR buy a pre-installed NOOBS SD card

Get an raspbian image

• Download current Raspbian image to your PC
• Download and install Etcher to flash image
• Start Etcher and flash image onto a SD Card (min. 8 GB, better 16 GB)

Raspi Setup

see https://ut.github.io/INTPRN/controller.html

WLAN/WIFI Setup

Follow Setting WiFi up via the command line from the raspberry online documentation.

Basic steps:

• Get a list of available networks via sudo iwlist wlan0 scan
• Add network credentials via sudo nano /etc/wpa_supplicant/wpa_supplicant.conf

More tips at https://www.elektronik-kompendium.de/sites/raspberry-pi/1912221.htm

Printer testing and printing w/CUPS

• Make sure CUPS is installed and running
• lptstat -p for a list a printers
• lpr hello.text for printing the contents of hello.text