waste

Hello, Since yesterday my Epson 1500w isn't pumping the waste ink away. Instrad it is bubling foam up. In have cleaned the tube to the waste ink reservoir (external) and can push air through tube (the pad bubles foam). Is it possible that the pump is broken and is this something you can easely...

title should say it all, having hard time with it, first time i tried with service tool v3400, then tried 49... versions, now im even struggling to get into service mode. also i have looked around in the forums here, nothing seems to help, google aint helping also printer is canon mg 2450 is...