Tajima NEO TEJT II C1501 VS NEO TEJT C1501

The basic difference is how the machines receive design data. First generation Neos were sold with a 3 1/2 floppy disk reader. One issue with that is the disc readers can go bad. These machines can receive design information through a data cable that is purchased from Hirsch. Information is sent from the user's software directly to the Neo.

Neo 2 machines are equiped with USB, serial and LAN data ports. Design data can be transferred to the machine with a flash memory stitck rather than using a floppy disk drive.

I can't comment on whether there have been any hardware changes.