Epson GP-C831 and TM-C3400LT Spare In the Air Extended Warranty
The standard Epson GP-C831 and TM-C3400LT warranty is one year depot service.
With this Spare In the Air warranty, Epson will ship out a replacement unit to you within 24 hours, if there is a hardware failure.
This extended warranty is serviced by Epson America and you would report any issues with your Epson GP-C831 and TM-C3400LT printer directly to Epson support department and they would send you a replacement printer within 24 hours.
This is great for manufacturing or industrial sites that can not be without the printer for a long period of time.