The printer inkjet cartridges could be leaking because you overfilled it with ink during refill. Drawing out 1 or 2 ml of ink from the cartridge using the printer problem is leaking ink from the bottom cover. All of the inkjet printers coming to solve the leaking ink after two or three times repaired waste ink error, because when we have an absorber full error, we have to change the absorber ink pad in the printer, but technicians just reset the ink counter and pass it to the printer. we must change the absorber ink pad every time we get the error message. HP Inkjet Leaking Cartridges For solving we have to open a printer and exchange the absorber ink pads and cleaning inside the printer.