Official adjustment programs (service tools) used by authorized Epson repair centers are sometimes leaked or shared in printer enthusiast forums. For the L5290, you can find of free resetters:
Finding a (often called an Adjustment Program) is a common goal for users facing the "Service Required" error, which occurs when the printer's internal waste ink counters are full. Why You Need a Resetter resetter epson l5290 free
Before paying for a reset, try this:
Many tech channels offer a “free resetter” in the description. Clicking these links often leads to: resetter epson l5290 free
For experienced users only: Use a CH341A programmer to read/write the printer’s EEPROM. Requires technical skill and risks bricking. Not recommended. resetter epson l5290 free