For continuous and highly reliable production, Zebra Technologies offers both simple types of label printers and industrial heavy duty printers. Scanners and data terminals are also very widely available. For working outdoors, even in high humidity or low temperatures (up to -30 C), there are devices specifically designed for such environments. Virtually all types of devices are also available with ruggedized impact protection.
HP Inc. Industrial printers, plotters and printing equipment
https://www8.hp.com/us/en/commercial-printers/graphic-arts.html
https://www.zebra.com/us/en/solutions/manufacturing-solutions.html