Replacing the ink collection unit on your printer is quite easy. Here are the steps:

1. Turn off the printer and unplug the power cord from the wall outlet
2. Use an appropriate tool to open the cover of the ink collection unit
3. Gently remove and discard the old ink collection unit
4. Carefully insert the new ink collection unit
5. Close the cover and firmly press it in place
6. Plug the power cord back into the wall outlet and turn on the printer