If you are receiving a "Service Required" message or want to clear the waste ink counter digitally, you can use third-party tools like the WIC Reset Utility WIC Reset Utility: This is a common software used to reset the waste ink counter on many Epson models. Download the utility from sites like Connect your printer via USB (Wi-Fi resets often fail). Purchase a (usually around $10 USD) to perform a full 100% reset. free trial key
For a business-class machine like the L6490, this is highly recommended to avoid damaging the printer. epson l6490 resetter
manually clean or replace the physical absorbent pads inside the box or install an external waste ink tank to prevent ink from overflowing into your printer. Alternative: WIC Reset Utility (Software) If you are receiving a "Service Required" message