It sounds like you're looking for the AdjProg (Adjustment Program) for the Epson L5190 to perform a resetter procedure—typically used to reset the waste ink pad counter after servicing or replacing the ink pads.
: Many of these downloads are bundled with malware or trojans. Hardware Damage Resetter-printer-epson-l5190-adjustment-program
At this point, the printer is not broken. It simply requires running the Epson L5190 Adjustment Program (commonly called a resetter) to reset the counter. It sounds like you're looking for the AdjProg
The Lockout: Once the counter hits 100%, the printer locks itself to prevent ink from leaking out of the machine. Resetter-printer-epson-l5190-adjustment-program