You can reset your Epson L551 waste ink problem messages with WICReset tool. Wicreset help you reset Epson L551's waste ink counter error messages.
Epson L551 printer Waste ink error messages?
A printer error has occured
Epson L551 printer ink pads are at the end of their service life. Please contact Epson support Waste ink pad in the printer is saturated
Epson L551 waste ink counter overflow messages