Resetting the software is only half the battle. If the waste ink pads are physically saturated, resetting the counter without cleaning or replacing the pads could eventually lead to ink leaking out of the bottom of your printer. You should: Open the printer and replace the porous pads.
While the software itself is often free to download, performing the actual "Reset" requires a —a one-time-use alphanumeric code that typically costs around $10 USD from authorized vendors. The Myth of the "Key Generator" EPSON wic reset utility key generator.26
Do you have a specific that is currently showing the "Service Required" error? Resetting the software is only half the battle