Printer Software Issues
HP and Brother printer apps are needed with the Mango. They are NOT needed with USB. It is OK to take a tablet out of Kiosk Mode to troubleshoot a printer issue. Make sure you put them back in Kiosk Mode when finished. Printers with HP+ have to be connected to the internet and cause problems. They need to use models without HP+. A list is here: https://www.hp.com/us-en/printers/hp-plus/standard.html?jumpid=va_94965f757d#filters_grouped_facet=laserjet_printers-laserjet_pro_3000_series,laserjet_pro_4000_series