1- Press the Emergency Stop button, turn off the power switch, unplug the printer power switch from the wall socket, leave off
2- Clamp/pinch the top of the tubing that connects to the Dampers, so the ink wont leak/spill out
3- Remove one damper at a time to reduce ink spilling
4- Snip the tubing from the top of the Damper
5- Connect the tubbing to the connection on the top of the new Damper
6- Before installing the new Damper, you want ink to flow through the new Damper
7- On the Left side of the Damper there is a "Button" you can press to flow ink through the Damper, let ink flow through the Damper into a cup until you get a constant stream/drops of ink
Note: There will be some air in the Damper that is normal, the Damper wont fill completely with ink
8- Install the Damper, there is only one way the Damper will fit, with the "button" facing the left side of the Print Head
9- Plug the Printer cable into the wall socket, and switch on the power
10- Undo the emergency stop button, the Printer will now power on and reinitialize
11- Open PrintEXP navigate to the setting tab
12- Click the "Clean" button and perform a "Normal" cleaning
13- Print a Nozzle test and inspect the pattern
14- If the nozzle condition is not perfect, run a "Normal" cleaning for that Print Head that has the new Dampers, then print nozzle test
15- Repeat until the Print Head with the new dampers has a perfect pattern for the nozzle test