Print a nozzle check pattern. If the output is clean and the error does not reappear, you have successfully reset your Epson SX 125.
The SX125 Adjustment Program is a crowbar in the gears of planned obsolescence. Epson’s argument is that the ink pads are a "consumable maintenance part" and that resetting the counter without replacing them is unsafe. Adjustment Program Epson Sx 125
The counter-argument: The SX125 was sold for less than the cost of a replacement ink cartridge set. The waste ink pads can hold far more ink than the counter allows. A motivated user can extract the chassis, wash and dry the felt pads, or install an external waste ink tank (a tube routed to a bottle outside the printer). Then using the Adjustment Program completes a legitimate, sustainable repair. The Ultimate Guide to the Adjustment Program for