Look for the "Epson M2120 Adjustment Program" on community forums or technician sites like

Not directly. Use VirtualBox or Parallels to run Windows, or borrow a Windows laptop.

This is the most common tool for resetting waste ink counters across various Epson models. : You can download the WIC Reset Utility for free for Windows or Mac from sites like WIC Support Installation Run the downloaded (Windows) or (Mac) file. Ensure your printer is connected via for the most stable connection during the reset. How to Reset Open the utility and select your Epson M2120 from the list. Read waste counters to verify they are full. Reset waste counters Free Option : You can enter the word " " in the key box to reset the counter to