Epson TM-C3500 and TM-C3400 Spare In the Air Extended Warranty
The standard Epson TM-C3500 and TM-C3400 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 TM-C3500 and TM-C3400 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.