This is the spring that holds the capping top on to the pump and capping station of your DTG HM1 (Epson R1900 based garment printer). This is a separate part and does not come with the capping top. Use our DTG Technical Tool Set to get the spring on and off.
First disconnect the spring from the capping top
Make sure you have the tubes in the correct valve before securing it down
Push the capping top into position and secure using the DTG Technical Tools to pull the spring onto the clip